JetBrains TeamCity Authentication Bypass Vulnerabilities
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OpenAI Unveils Aardvark: GPT-5 Agent That Finds and Fixes Code Flaws Automatically
OpenAI has announced the launch of an “agentic security researcher” that’s powered by its GPT-5 large language model (LLM) and is programmed to emulate a human expert capable of scanning, understanding, and patching code. Called Aardvark, the artificial intelligence (AI) company said the autonomous agent is designed to help developers and security teams flag and…
Claude Mythos 5 Tried to Backdoor a Real Open-Source Project in Testing, Then Vouched for Itself
An agent running Anthropic’s Claude Mythos 5 spent 34 hours trying to get a malware dropper merged into a real open-source project during a cyber evaluation by the UK’s AI Security Institute. When a bystander publicly warned that the code was malicious, the agent denied it, force-pushed a rewritten branch history to erase the evidence,…
CISA Adds Actively Exploited ConnectWise and Windows Flaws to KEV
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added two security flaws impacting ConnectWise ScreenConnect and Microsoft Windows to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The vulnerabilities are listed below – CVE-2024-1708 (CVSS score: 8.4) – A path traversal vulnerability in ConnectWise ScreenConnect
Hyper-Volumetric DDoS Attacks Reach Record 7.3 Tbps, Targeting Key Global Sectors
Cloudflare on Tuesday said it mitigated 7.3 million distributed denial-of-service (DDoS) attacks in the second quarter of 2025, a significant drop from 20.5 million DDoS attacks it fended off the previous quarter. “Overall, in Q2 2025, hyper-volumetric DDoS attacks skyrocketed,” Omer Yoachimik and Jorge Pacheco said. “Cloudflare blocked over 6,500 hyper-volumetric DDoS attacks, an average…
Anthropic’s Claude Mythos Finds Thousands of Zero-Day Flaws Across Major Systems
Artificial Intelligence (AI) company Anthropic announced a new cybersecurity initiative called Project Glasswing that will use a preview version of its new frontier model, Claude Mythos, to find and address security vulnerabilities. The model will be used by a small set of organizations, including Amazon Web Services, Apple, Broadcom, Cisco, CrowdStrike,&
Chaos RAT Malware Targets Windows and Linux via Fake Network Tool Downloads
Threat hunters are calling attention to a new variant of a remote access trojan (RAT) called Chaos RAT that has been used in recent attacks targeting Windows and Linux systems. According to findings from Acronis, the malware artifact may have been distributed by tricking victims into downloading a network troubleshooting utility for Linux environments. “Chaos…