Cybersecurity News

Cloudflare has fixed a vulnerability in Containers and Sandboxes that allowed customers with a Workers Paid account to recover residual data from other customers' containers on the same physical host. [...]

Anthropic has just announced a new Claude Marketplace, and it brings all AI-related tools into one place, including plugins, connectors, agents, and more. [...]

CISA added CVE-2026-65660 to its KEV catalog, giving federal agencies a patching deadline of September 28. The post Microsoft SharePoint Flaw CVE-2026-65660 Now Exploited in Attacks appeared first on SecurityWeek.

The ShinyHunters extortion gang is using a URL-encoding trick to bypass web application firewall rules that mitigate the Oracle PeopleSoft CVE-2026-35273 flaw, allowing the threat actors to resume widespread exploitation of a flaw on vulnerable servers. [...]

The US and China agreed to set up a communication mechanism for artificial intelligence-related incidents. The post China and US Agree to Establish AI Safety Channel and Continue Trade and Military Talks appeared first on SecurityWeek.

Anthropic's Claude Opus 5.5 appears to be changing how it writes, with new analysis showing fewer obvious AI writing patterns, shorter sentences, and simpler wording compared with Opus 5. [...]

Microsoft has paused the rollout of the KB5002907 Microsoft 365 update after users report that it deactivated, or in some cases completely removed, perpetual Office 2016 and Office 2019 installations. [...]

Two third-party GitHub Actions previously compromised in a Mini Shai-Hulud campaign were re-enabled by their maintainer and remained accessible for more than a week despite still pointing to malicious code. [...]

OpenAI says its AI agents uploaded user-provided images to third-party image-hosting services while carrying out research and evaluation tasks. [...]

The Windows botnet relies on AI to maintain persistence, using xAI Grok to choose from predefined actions. The post New x47.c Windows Botnet Weaponizes xAI Grok, AI API Draining appeared first on SecurityWeek.

OpenAI’s CEO said there is an “extensive and ongoing review related to our agents’ use of internet access during training and evaluation.” The post OpenAI Says Its Models Engaged With US Government Websites in New Model Misbehavior Disclosure appeared first on SecurityWeek.

A U.S. Army soldier who pleaded guilty to hacking into multiple telecommunications companies and stealing mobile call and text metadata for more than 100 million AT&T customers in 2024 was sentenced to 70 months in federal prison today and ordered to pay nearly $300,000 in restitution to victims.

Secure file-sharing software company Kiteworks is urging customers worldwide to temporarily shut down their servers on Saturday for a six-hour window after receiving threat intelligence warning of a potentially imminent cyberattack. [...]

Cameron Wagenius was involved in some of the most high-profile attacks of 2024 while on active duty. The post Army soldier sentenced for spree of attacks on AT&T, Snowflake and other major companies appeared first on CyberScoop.

The Clop ransomware gang has moved its data leak site to a new Tor address after confirming its previous server was compromised and defaced through an unpatched Grav CMS flaw that BleepingComputer has learned is an unauthenticated path traversal vulnerability. [...]

A cross-site request forgery (CSRF) vulnerability in the Elementor plugin for WordPress could allow an unauthenticated attacker to create administrator accounts. [...]

Three justices wrote in a dissent that longstanding privacy laws protecting sensitive personal data held by the government should prevent the use of the database. The post Supreme Court permits states to use SAVE database for citizenship checks appeared first on CyberScoop.

The Cybersecurity and Infrastructure Security Agency (CISA) warns that hackers are exploiting a critical authentication bypass vulnerability (CVE-2026-5430) affecting multiple products from enterprise software provider WSO2. [...]

Anthropic now allows you to run Claude Code via cloud sessions without signing up for the research preview, and it's offering up to $250 in free usage credits, so more users can give it a try. [...]

Noteworthy stories that might have slipped under the radar: BragJack attack against browser AI assistants, TDengine flaw threatens industrial telemetry uptime, Ubuntu update overhaul. The post In Other News: Clop Leak Site Takeover, Docker Botnet Hunts AI Keys, Water Utility Exposure appeared first on SecurityWeek.

OpenAI appears to be preparing a new ChatGPT Pro Max subscription that could cost $500 per month, but it's unclear when it'll begin rolling out. [...]

AI agents can operate through human credentials and take actions that existing SOC 2 controls may not distinguish from human activity. Token Security explains why SOC 2 needs to adapt to address the security gaps created by agent identities. [...]

Bitget’s security systems caught the unauthorized transfers on September 24, and some wallet addresses linked to the attacker have been frozen. The post North Korea Suspected in $351 Million Bitget Crypto Heist appeared first on SecurityWeek.

The ‘SalesBleed’ set of weaknesses in Salesforce’s Agentforce agents exposed CRM data to attackers via prompt injection and DNS exfiltration

Microsoft announced it will deprecate the Windows Deployment Services (WDS) server role starting with the next Windows Server release. [...]

Homeland Security Secretary Markwayne Mullin tasked CISA with developing the plan in July.  The post CISA Election Security Plan Flags Patching Barriers, Voter Database Attacks appeared first on SecurityWeek.

The CISA plan provides guidance and resources for election officials to secure systems such as voter registration databases and voting machines

Ardit Kutleshi created and operated Rydox, which allowed miscreants to trade PII and cybercrime tools and services. The post Kosovar Owner of Rydox Marketplace Pleads Guilty in US Court appeared first on SecurityWeek.

A Kosovar national has pleaded guilty to operating Rydox, a large illegal online marketplace that sold stolen personal information, login credentials, credit card details, and cybercrime tools. [...]

Researchers show that file-change notification systems can leak keystroke timing, browsing activity, and WhatsApp media events. The post Windows, Linux, Android File Notification Systems Leak User Activity appeared first on SecurityWeek.