Companies Using Anthropic's Mythos AI Uncover 10K+ Serious Software Bugs
Anthropic's Claude Mythos AI has identified over 10,000 serious software vulnerabilities in critical systems. The tool, which has been shared with a select group of partners, has demonstrated a lower false-positive rate compared to human testers. Despite its success, the rollout of Mythos has faced criticism regarding its accessibility and potential misuse.
- ▪Claude Mythos AI uncovered 10,000 high- or critical-severity vulnerabilities in important software.
- ▪Cloudflare, one of the partners, found 2,000 bugs, with 400 classified as high or critical severity.
- ▪Anthropic plans to release a technical analysis of a significant vulnerability identified by Mythos in the coming weeks.
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| Original publisher | PCMag |
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| Publication time | Sat, 23 May 26 16:13:22 +0000 |
| Retrieval time | 2026-05-23T16:22:27.497Z |
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Anthropic partners have used its bug-hunting Claude Mythos AI to uncover 10,000 "high- or critical-severity vulnerabilities across the most systemically important software in the world.”Claude Mythos, dubbed Project Glasswing, debuted in April. It was not publicly released, but instead shared with a select group of about 50 partners, as Anthropic claimed the tool was too powerful. One of those partners, cloud hosting firm Cloudflare has found 2,000 bugs, 400 of which were classified as high or critical severity, across its critical-path systems, and the false-positive rate was lower than that of human testers. Mythos examined 1,000 open-source projects, identifying 6,202 high- or critical-severity flaws.
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