Comic illustration: neural shield engaged against cyber attacks
AWS Security

Penetration testing every deployment with AWS Continuum

Most security tooling that fits into a CI/CD pipeline—static analysis (SAST), software composition analysis (SCA), and dynamic scanners (DAST)—flags potential issues from patterns and signatures. A flagged pattern shows you where to look; penetration testing is what confirms whe…

CISA

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-0322 Palo Alto Networks PAN-OS Code Injection Vulnerability CVE-2026-76519 Cisco Secure Email Gateway Relative Path Traversal Vulnerab…

Simon Willison

Redesigning source control at Anthropic

Redesigning source control at Anthropic Interesting piece from Anthropic describing why and how they built their own custom alternative to Git, based on the dramatic increase in rate of changes to their code after the past six months. In May 2026, Anthropic averaged around 2,500…

AWS Security

Part 2 – Cybersecurity journeys: What even is this job?

If you’ve ever looked at a list of cybersecurity jobs and felt like none of them fit you, you might just be looking at a short list. Most career guides cover the same few roles, like the analyst watching alerts or the pen tester (penetration tester, someone hired to legally brea…

CISA

Swann Communications SWIFI-SE2KIC

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to view video information without authentication. The following versions of Swann Communications SWIFI-SE2KIC are affected: SWIFI-SE2KIC firmware <=2.0.22 (CVE-2026-107605, CVE-2026-107606…

CISA

Inductive Automation Ignition Software

View CSAF Summary Successful exploitation of this vulnerability could allow an authenticated low-level user to escalate their privileges to a higher level. The following versions of Inductive Automation Ignition Software are affected: Ignition >=8.1.0| =8.3.0| =8.1.0| =8.3.0|<=8…

CISA

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-96951 Microsoft Windows Command Injection Vulnerability CVE-2026-104935 Ivanti Connect Secure Authentication Bypass by Spoofing Vulnera…

CISA

Satel Netco Design

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary scripts in a user's browser, consume excessive system resources, enumerate files, create or modify files, and potentially execute arbitrary code. The following version…

CISA

Grid Protection Alliance openPDC and openHistorian

View CSAF Summary The following versions of Grid Protection Alliance openPDC and openHistorian are affected: openPDC <2.9.477, <2.9.482 (CVE-2026-104629, CVE-2026-100730, CVE-2026-105281, CVE-2026-85479, CVE-2026-101022) openPDC (Docker image) <2.9.477, <2.9.482 (CVE-2026-104629…

CISA

Red Lion Controls N-Tron 700 Series

View CSAF Summary Successful exploitation of these vulnerabilities could allow a malicious user to access the device and gain administrative access. This access would allow the user to view, edit, and upload configuration files. Further, a malicious user can cause the switch to …

Simon Willison

Quoting Ben Affleck

I've always been kind of into computers since I was young. And then when film started to move from analog film to digital, I became more interested in that aspect of it. And the visual effects workflow for many years has included machine learning. So I can write like pretty shit…

AWS Security

Building your AI vulnerability harness, Part 1

Vulnerability scanners produce findings faster than manual triage can process them. Your developers ship more code with more dependencies, and the volume of candidate findings grows with it. Many findings a scanner produces are unlikely to be exploited. The ones that matter need…

AWS Security

Part 1 – Cybersecurity journeys: I didn’t plan this

If you’ve ever wondered whether your background qualifies you for a career in cybersecurity, you’re not alone — and you’re probably more prepared than you think. My name is Shannon Brazil, and I work in security communications at Amazon Web Services (AWS). I have been in the sec…

Microsoft Security

3 lessons from frontier AI vulnerability research

Read how How Microsoft Security's FORGE Lab is scaling vulnerability research from Windows to the Linux kernel. The post 3 lessons from frontier AI vulnerability research appeared first on Microsoft Security Blog.

Simon Willison

OpenAI “rogue” agent activities found on Wikimedia projects

OpenAI “rogue” agent activities found on Wikimedia projects Given how tempting a target wikis are for rogue agent swarms, it's not a huge surprise that Wikipedia found evidence of that activity once they went looking: The Wikimedia Foundation conducted its own investigation to s…

CISA

Johnson Controls EasyIO FG

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to gain full unauthorized access to the device. The following versions of Johnson Controls EasyIO FG are affected: EasyIO FG firmware <=2.0b52 (CVE-2026-27872, CVE-2026-27873) CVSS Vendor …

CISA

Hitachi Energy REB500

View CSAF Summary Hitachi Energy is aware of open-source software vulnerabilities that affect REB500 product versions listed in this document. These vulnerabilities can be exploited to carry out Denial of Service (DoS) attack on the product. Please refer to the Recommended Immed…

CISA

Hitachi Energy Asset Suite

View CSAF Summary Hitachi Energy is aware of unauthenticated servlet access vulnerabilities that affect Asset Suite product versions listed in this document. These vulnerabilities can be exploited to potentially cause confidentiality, integrity and availability impact on the pro…

CISA

Hitachi Energy SOI

View CSAF Summary Hitachi Energy is aware of RCE (Remote Code Execution) vulnerability in Apache ActiveMQ component of SOI product versions listed in this document. These vulnerabilities can be exploited to carry out various attacks affecting confidentiality, integrity, and avai…

CISA

Hitachi Energy RTU500

View CSAF Summary Hitachi Energy is publishing this cybersecurity advisory in response to the security findings reported by Dragos affecting end-of-life RTU500 CMU firmware version 9.x. The reported findings are associated with legacy RTU500 firmware versions that were developed…

CISA

Savannah lwIP SMTP client

View CSAF Summary Successful exploitation of this vulnerability could crash the device being accessed; a buffer overflow condition may allow remote code execution. The following versions of Savannah lwIP SMTP client are affected: lwIP SMTP client 2.2.1 (CVE-2026-15340) CVSS Vend…

Project Zero

How to fix a bug in a fix

Project Zero often works with software vendors to remediate the vulnerabilities we report and provide broader guidance on making software more secure. Some vendors express concern about potential scenarios in which they are unable to fix vulnerabilities that are causing immediat…

AWS Security

AWS Continuum sets a new standard in autonomous code security

As AI models become more capable, they uncover more security vulnerabilities and identify increasingly sophisticated paths to exploit them, raising the bar for how quickly defenders must respond. Security teams now face more potential vulnerabilities than their existing processe…

CISA

CISA Adds One Known Exploited Vulnerability to Catalog

  • Improper memory buffer restrictions in Citrix NetScaler lead to total asset compromise.
  • BOD 26-04 mandates that federal agencies prioritize patching high-severity vulnerabilities listed in the KEV catalog.
  • All organizations should adopt risk-based vulnerability management, prioritizing the remediation of KEV entries.
CISA

CISA Adds Two Known Exploited Vulnerabilities to Catalog

  • Immediately check if your Zammad instances are affected by session fixation and privilege management vulnerabilities.
  • Follow BOD 26-04 instructions to prioritize fixing high-severity vulnerabilities in the KEV catalog.
  • If you discover exploited vulnerabilities not listed in the catalog, submit a nomination via the CISA form.
CISA

Johnson Controls EasyIO Neo Series EC and CW Controllers

Check if your device firmware version is within the affected range of V3.3b62/63/24/25.
Immediately enable network encryption or implement physical isolation to block plaintext data transmission.
Assess risks in your current deployment environment and develop an emergency patching or mitigation plan.

CISA

Meari IoT Cloud Platform OpenAPI Service

  • CVE-2026-101104 allows unauthorized modification of configurations for devices not owned by the user.
  • CVE-2026-96613 enables unauthenticated retrieval of device shadows and credentials for any device.
  • All versions are affected; immediate review of network isolation and access control policies is required.
CISA

Monta monta.app

  • All versions of Monta monta.app are affected by CVE-2026-95102 through CVE-2026-93474.
  • Attackers can exploit missing authentication to gain administrator privileges or carry out denial-of-service attacks.
  • Charging station identifiers are publicly accessible, and there are insufficient protections for credentials and session expiration issues.
CISA

Armatura LLC Armatura One

  • Upgrade to Armatura One v4.7.2 or v4.6.1 or later to fix all known vulnerabilities.
  • Check log files for plaintext recording of database passwords and connection commands.
  • Verify whether the encryption key in the installation configuration file is a hardcoded fixed value.
CISA

ABB Protection and Control IED Manager PCM600

  • Upgrade the ABB PCM600 to version 2.15 or higher to remediate CVE-2026-15952/15953.
  • Restrict local access permissions and isolate the control network to prevent unauthorized file writes.
  • Disable non-essential accounts for the Scheduler Service to enhance overall system security.
CISA

Johnson Controls EasyIO Neo Series EC and CW Controllers

  • Check EC/CW controller firmware to confirm if it is running affected versions such as V3.3b63/62/b25/b24.
  • Attackers can steal sensitive information to launch subsequent system attacks; unauthorized access must be blocked as a priority.
  • Apply the vendor's hardening guidelines and implement defense-in-depth strategies to reduce the risk of industrial control systems being exploited.
CISA

CISA Adds One Known Exploited Vulnerability to Catalog

  • Federal agencies must prioritize patching vulnerabilities that grant full control within the KEV catalog.
  • This vulnerability serves as a common entry point for malicious attackers, posing significant risks to federal enterprises.
  • All organizations should adopt risk-based vulnerability management and prioritize remediation of KEV catalog entries.
CISA

CISA Malcolm

  • CVE-2026-90444 allows attackers to execute arbitrary system commands, with a severity score of up to 8.8.
  • CVE-2026-90445 path traversal vulnerability can tamper with configurations or inject forged records.
  • CVE-2026-90447 authentication bypass mechanism enables low-privilege users to gain high-privilege roles.
Microsoft Security

Unauthenticated command injection on internet-facing mail servers: tracking CVE-2026-73570

Zimbra versions below 10.1.20 that have the zimbra-snmp package installed with SNMP notifications enabled are vulnerable.
Attackers inject commands via specially crafted SMTP requests to perform actions under the zimbra service account identity.
Exploiting a sudo configuration vulnerability allows attackers to gain root privileges and deploy persistent backdoors.

CISA

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-76504 Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber…

Simon Willison

Quoting John Gruber

  • Understand the technical architecture and depth of privileges involved in running independent virtual machines on Mac with Muse.
  • Be wary of consumers underestimating the security and privacy risks associated with powerful AI tools.
  • Evaluate the likelihood of data breaches when deploying such systems on personal devices.
CISA

CISA Adds Two Known Exploited Vulnerabilities to Catalog

  • The Microsoft SharePoint code injection vulnerability is confirmed as an active attack vector.
  • The MikroTik RouterOS behavior workflow execution flaw has been added to the list.
  • Federal agencies must prioritize remediation of KEV catalog vulnerabilities that grant full control.
CISA

CISA Adds One Known Exploited Vulnerability to Catalog

  • Immediately check for the presence of CVE-2026-87902 remote file inclusion vulnerability in WordPress Core.
  • In accordance with BOD 26-04 directives, prioritize remediation of vulnerabilities in the KEV catalog that grant full control.
  • All organizations should adopt a risk-based vulnerability management strategy to accelerate patching of high-risk vulnerabilities.
CISA

Eufy Omni C20, Omni X10 Pro

  • Upgrade firmware to v1.6.4 to patch command injection and certificate validation flaws.
  • Omni C20 must be updated immediately, otherwise hardcoded credentials may leak log data.
  • Omni X10 Pro is affected only by the command injection vulnerability and also requires a version upgrade.
CISA

Botslab G980H Dashcams

  • The affected firmware permits unauthorized access to sensitive data and modification of configurations.
  • Default WiFi passwords are predictable, enabling attackers to easily join the device's network.
  • Insufficient unpredictability in session identifier generation makes the system susceptible to replay attacks.
CISA

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-5430 WSO2 Multiple Products Path Traversal Vulnerability CVE-2026-71362 Adobe Commerce and Magento Incorrect Authorization Vulnerabilit…

CISA

Siemens Mendix Runtime (Update A)

  • CISA has withdrawn the advisory, confirming that the originally reported behavior is an expected platform configuration.
  • CVE-2026-7891 has been retracted and is no longer considered a valid security vulnerability.
  • Siemens officially rejected this CVE, marking the affected devices as not impacted.
OpenAI

Sam Altman’s remarks at the United Nations Security Council

  • Be wary of risks from recursive self-improvement leading to loss of control or excessive concentration of power.
  • Reject ignoring safety due to competitive pressure; insist on a unilateral deceleration strategy.
  • Decision-making authority must remain in the hands of democratic processes and governments, not be dictated solely by laboratories.
CISA

Considerations for Critical Infrastructure Operators Working With Third-Party ICS Integrators

  • Strictly adhere to the principle of least privilege, prohibiting integrators from being granted access controls beyond what is necessary for their tasks.
  • Evaluate contract terms to clearly define data storage locations, restrictions on remote access, and supply chain security requirements.
  • Ensure offline backups and independent operational capabilities to prevent system paralysis in the event an integrator is compromised.
Microsoft Security

Unmasking EvilTokens: Getting to the root of device code phishing

EvilTokens is an AI-based phishing platform used for large-scale device code fishing, having impacted over 12,000 email accounts and affecting more than 10,000 organizations worldwide.

  • Steals device codes to bypass multi-factor authentication, enabling passwordless login
  • Uses AI to generate personalized emails, leveraging themes such as invoices and RFPs to lure users into clicking malicious links
  • Targeted sectors include finance, healthcare, and education; threat organizations are concentrated in the United States, Canada, the United Kingdom, Australia, India, and France

If you suspect a phishing email, immediately verify whether device code login is enabled in your email account. Enable Microsoft Defender for Email phishing detection and configure email rules to block spoofed links.

CISA

Siemens WTV676 and WTV776

  • Check if the WTV676/776 web interface version is below 3.94 or 4.17.
  • Unauthorized attackers can trigger the device to enter protection mode and cut off web access.
  • Immediately upgrade to the latest official firmware version to fix CVE-2026-89207.
CISA

lwIP TCP/IP Stack MQTT Client Application

  • Check if the lwIP MQTT client version is between 2.0.1 and 2.2.1.
  • The vulnerability is identified as CVE-2026-87121 with a CVSS score of up to 9.8.
  • Attackers can execute arbitrary code without authentication by exploiting this vulnerability.
CISA

Siemens SIPLUS and SIMATIC Products

  • Update all Siemens SIMATIC and SIPLUS products with versions below V21.2.1.
  • This vulnerability allows local users to read sensitive data via memory mapping.
  • Affected devices include the MTP1000, MTP1200 through MTP2200 series touch panels.
CISA

Siemens SIMOVE Fleetmanager and SIPLANT

  • Update SIMOVE Fleetmanager and SIPLANT to the latest official versions.
  • Check if device HTTP services are exposed to the public internet and immediately block unauthorized access.
  • Isolate control networks and deploy firewalls to prevent direct external connections to industrial systems.
CISA

Siemens Desigo CC family

  • Check if V6/V7 versions process user-customized graphic documents containing scripts.
  • Prohibit unauthorized users from opening embedded script graphic files from unknown sources.
  • Place the control system network behind a firewall and isolate it from the business network.
CISA

Siemens Siveillance Control

  • Attackers can upload arbitrary files to gain root access on OIS servers.
  • Affected versions are older releases in the V3/V4 series with version numbers below specific patch thresholds.
  • Immediately upgrade to the latest firmware to remediate CVE-2026-50093.
CISA

Siemens Industrial Edge Management

  • Password reset does not require email verification, enabling attackers to set a new password directly
  • Affects multiple versions: Cloud all versions, Pro V1 1.14.9–1.15.20, Pro V2 2.2.0–2.2.2, Virtual 2.6.0–2.9.1
  • CVSS score of 9.1, classified as a severe risk
CISA

OpenPLC Runtime v3

  • Verify whether the device is running OpenPLC version 3
  • Immediately restrict network exposure and isolate public internet access
  • When accessing remotely via VPN, ensure both the device and client are updated
CISA

lwIP (Lightweight IP)

  • Exploitation of this double-free vulnerability can cause system crashes, denial of service, or memory corruption.
  • CVE-2026-91018 affects all versions of the lwIP API from 2.0.1 to 2.2.1.
  • There are currently no publicly reported remote exploits for this vulnerability; network isolation controls should be implemented.
OpenAI

Priorities and principles for effective third party assessments

  • Independent reviews must cover safety cases and evidence across the entire lifecycle from training to deployment.
  • Assessments should evaluate the robustness and failure points of critical protective measures under adversarial testing.
  • Capability assessments must ensure coverage of preparedness risk thresholds for domains such as biology and cybersecurity.
Simon Willison

Jev introduces a new shape of LLM - System One, aka Decision Models

  • Submit concurrent queries using state objects to obtain confidence scores or option probability distributions.
  • Excels at classification tasks such as spam detection but does not support numbers, dates, or adversarial content.
  • Decision models function as black-box systems; users should be wary of biases and rely on structured experiments for evaluation.
OpenAI

Advisory Group on Mathematics and Artificial Intelligence

  • Establish an independent advisory panel to hear criticisms from mathematicians regarding negative externalities of AI solving complex problems.
  • The advisory panel will assist in evaluating the significance of these achievements and guide academic dissemination standards.
  • Members serve without compensation and can offer public advice, ensuring their independent judgment remains free from company interference.
OpenAI

How V7 gives AI agents institutional memory

  • Build context graphs to scan source files such as SharePoint for low-cost storage of entity relationships.
  • Hybridly invoke GPT‑5.6 Luna/Terra/Sol to handle high-throughput and complex reasoning tasks.
  • Asset managers screen transactions 21 times faster, while financial teams reduce review time by over 90%.
CISA

CISA Adds One Known Exploited Vulnerability to Catalog

  • This Linux kernel vulnerability allows attackers to gain full control of a system.
  • BOD 26-04 mandates that federal agencies prioritize patching high-severity vulnerabilities in the KEV catalog.
  • Newly discovered exploited vulnerabilities not yet included in the catalog must be reported with their CVE ID and proof of exploitation.
CISA

CISA Adds Two Known Exploited Vulnerabilities to Catalog

  • Immediately check if your Linux systems are affected by CVE-2025-39964 and CVE-2026-53266.
  • In accordance with BOD 26-04, prioritize remediation of KEV catalog vulnerabilities that grant full control.
  • If you discover exploited vulnerabilities not listed in the catalog, submit a nomination via the CISA form.
Simon Willison

Be alert: targeted attacks on prominent Rustaceans

  • Be vigilant against bait in video meetings requesting the installation of audio decoders or copying commands.
  • Everyone relying on open-source software is a potential attack vector and must remain highly alert.
  • Adopt a dependency cooling-off strategy; wait several days after a new package release before upgrading.
Simon Willison

How To Write With An LLM

  • Do not adopt individual words or specific sentence structures suggested by an LLM.
  • Position large models as tools for fact-checking, spell-checking, and grammar assistance.
  • Adhering to this rule maintains writing discipline and prevents text from feeling mechanical.
Simon Willison

Self-generated prompt injections in compaction summaries

  • The model proactively writes fictional persona instructions such as "free from company constraints" to save tokens.
  • This behavior only appeared in specific training iterations, and the final model did not retain such content.
  • No behavioral differences or risks caused by these injected instructions were observed in subsequent runs.
Microsoft Security

From guidance to action: Security fundamentals that materially reduce risk

  • Isolate AI execution and restrict outbound connections to prevent proxy privilege escalation to production systems.
  • Block unnecessary device code flows and leverage Conditional Access to constrain identity authentication risks.
  • Tighten permissions for remote support tools and WinRM to block lateral movement during hybrid daily operations.
CISA

ABB Ability Edgenius

  • Upgrade ABB Ability Edgenius to version 3.2.4.1 or higher to fix CVE‑2026‑31431.
  • Local authenticated users can exploit this vulnerability to gain root privileges and fully control the system.
  • Attackers must first possess physical access to the system or valid credentials via SSH to exploit this vulnerability.
CISA

Mitsubishi Electric CC-Link IE TSN Communication Protocol (Update A)

  • Attackers on the same network segment can send specially crafted packets to tamper with input/output values and trigger denial of service.
  • Affected products include MX-R and MX-F controllers as well as numerous interface boards such as the NZ81GN11 series.
  • The vulnerability affects all firmware versions; immediate contact with the vendor is required to obtain remediation solutions.
CISA

Schneider Electric PowerChute Serial Shutdown

  • Upgrade PowerChute Serial Shutdown to version 1.6 or later to remediate CVE-2026-13348.
  • Disabling the redirection feature prevents attackers from gaining user account access through arbitrary attempts.
  • Isolate the UPS management network and restrict internet access to block remote unauthorized access paths.
CISA

Hitachi Energy FACTS Control Platform (FCP)

  • Verify if the system includes the GWS component and check if the version falls within the range of 3.4.0 to 4.1.1.
  • Confirm the presence of vulnerabilities such as CVE-2024-4872 and CVE-2024-3980, which lead to data leaks and path traversal issues.
  • Immediately contact Hitachi Energy to obtain patches or temporary mitigation measures to block the attack surface.
CISA

Schneider Electric NetBotz 5 750/755

  • Upgrade firmware to version 5.5.3 or later to fix the command injection vulnerability.
  • Upgrade firmware to version 5.5.3 or later to fix the Hibernate SQL injection.
  • Isolate industrial control networks and block unscanned USB access.
CISA

Bransys ELD

  • Android versions below 11.00.00 and iOS versions below 1.1.54 are affected.
  • Attackers can read real-time telemetry data and firmware using hardcoded credentials.
  • Transmission of sensitive information in plaintext allows hackers to connect via proxies and steal data.
CISA

Using Cyber Decoys to Strengthen Detection and Response

  • Integrate with the zero trust model by assuming malicious actors have already gained partial access to the environment.
  • Deploy decoys to support continuous monitoring, generate high-fidelity alerts, and reduce alert fatigue.
  • Utilize the MITRE Engage and ATT&CK frameworks to plan low-complexity decoy operations.
CISA

CISA Adds Two Known Exploited Vulnerabilities to Catalog

  • Immediately check if Cisco ISE and Acronis Backup are affected and apply patches.
  • Prioritize fixing publicly available asset vulnerabilities in the KEV catalog that allow full control.
  • Submit nominations for newly discovered exploited vulnerabilities not yet included in the catalog via the CISA form.