
Anthropic releases Claude Fable 5.2 and restricted Mythos 5.2
API prices fall 20% to $8 and $40 per million tokens, while Mythos access stays limited to vetted organizations.
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API prices fall 20% to $8 and $40 per million tokens, while Mythos access stays limited to vetted organizations.

OpenAI claims 10 of the model's exploitation techniques were novel; its dashboard shows under 25% of found flaws remediated.

Athena discloses 50 silent fixes from 40,000 findings, partnering with CISA for responsible disclosure.

OpenAI's AI pipeline discovered and patched 948 Linux local privilege escalation exploits in 30 hours at $1.2 million cost, using an upcoming cyber model.

Selected defenders get first access; Google cites 88.2% on SEC-bench Pro and has not set a general-availability date.
The available feed text is only the headline and the word Comments, with no supporting detail.
Authors mapped 13 drop points across 12 harnesses; six discarded one file unseen, five without notice.
No single setup covered all 265 confirmed root causes, and CodeQL context helped only the smallest of four models.
A 200-trace CyberGym study finds reasoning dominates token cost, and AVRI lowers it.

Anthropic expands vetted Claude cyber access after Glasswing verified 129,000 software flaws.

Google's PageBreak AI agent reportedly found 500 flaws in the company's own web applications.

Google's PageBreak AI agent validated over 500 XSS flaws in its own web apps using exploit-backed deterministic validation with near-zero false positives.

Microsoft's 2026 defense report says attackers use AI while agent and identity security grows harder.

Google DeepMind's Gemini 4 Argon frontier model rolls out to trusted cyber defenders, with autonomous vulnerability discovery and a planned guardrail-free version.

Google launched frontier model Gemini 4 Argon, claiming it can find and patch critical software flaws without human help.
Google and Wiz launch Scan for Good, using Gemini 3.8 Flash Cyber and Red Agent to autonomously find critical vulnerabilities in hospitals, transit, and municipalities.
StateLens uses LLM-guided instrumentation to fuzz JavaScript engines and found 68 bugs.
MobileCybench uses 495 executable probes to score AI agents finding flaws in 13 Android apps.
AI agents are killing security through obscurity, accelerating vulnerability discovery and patch-gap exploitation, experts warn, with OT/ICS systems most at risk.

Google open-sourced Mantis, an Apache-2.0 modular skills toolkit that lets AI coding agents find, reproduce, and patch vulnerabilities with sandboxed verification.

Okta used frontier AI models GPT-5.5 Cyber and Mythos via OpenAI and Anthropic programs to scan millions of code lines for vulnerabilities.

Echo's analysis found only 1,900 of 23,019 Claude Mythos-found vulnerabilities were externally reviewed, 90.8% held up, but the model overstated most severities.
TechCrunch analysis argues AI-driven vulnerability discovery and exploitation may constrain government use of hacking tools and spyware.

Gartner survey of 316 organizations ranks AI-driven vulnerability discovery as the top emerging risk, with tangible impact expected within roughly two years.
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