AI · 94 days ago
The risk has moved from the model to the ecosystem around it. A third-party skill can inherit an agent’s privileges, so a benign-looking add-on can become the place where credentials, files, or shell access are quietly turned against you.
CSO says frontier models like Claude Mythos and OpenAI GPT-5.5 are pushing vulnerability discovery toward industrial scale, and Unit 42 finds that most public agent skills diverge from their claims. The dangerous slice is smaller, but it includes multi-stage chains that can lead to credential theft, remote code execution, or silent data exfiltration without a novel exploit.
18 sources covering this story
Benchmarking Fable, Opus, and GPT for vulnerability detection
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Trust No Skill: Integrity Verification for AI Agent Supply Chains
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Frontier AI models offer sneak peak of seismic cyber shifts ahead
CISOs need to prepare for a vulnerability discovery onslaught, even as attackers will still have work to do to operationalize flaws that abused and malicious AI models turn up.
Companies are failing to keep up with AI’s identity sprawl, creating entry points for hackers
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Advancing Cybersecurity in the Age of Frontier AI: Qualys Steps into Project Glasswing | Qualys
The cybersecurity industry has spent much of the last two years debating how attackers might use AI. That debate matters, but it misses a larger point: defenders now have an opportunity to change the…
AI Coding Tools Need Built-In Security for Agentic Development Era
Ox Security field CTO, Boaz Barzel makes the case for vibe security to tackle AI agent coding risks
AI is helping low-skill hackers pull off advanced cyberattacks - Help Net Security
Anthropic mapped AI-enabled cyber activity to MITRE ATT&CK, uncovering trends in malware development and attack execution.
AI agent governance gets harder when agents outnumber your people - Help Net Security
Abluva CTO on AI agent governance, why autonomous agents create new breach risks, and four pillars to control them.
3 Principles to Safely Scale Agentic AI | CrowdStrike
Autonomous AI agents are transforming the enterprise, but without built-in security, they introduce risk. Learn more!
Part of the PlainSec briefing for 2026-06-04