Opus 5.5 Elevated Cyber Security Error Rates
- Investigating(current)
- Trending(upcoming)
- Workaround available(upcoming)
- Resolved(upcoming)
Executive summary
A technical incident involving Opus 5.5, a model for code security reviews, has resulted in elevated error rates and occasional failures to perform security checks correctly.
No verified workaround yet
None of the linked reports describe a mitigation. Follow this incident to hear when one appears.
Under active investigation. No report has identified a root cause yet.
Evidence
1 report · 1 HNShow
- [1]HN First reportAsk HN: Which frontier model can do code security reviews(opens Hacker News thread in a new tab)
I can't complain about Opus 5.5, more than extracted my money's worth out of it but the final stages require pen-testing and Claude's masters stomp on it every time it tries to help do security reviews [cyber]. Ever so often it sneaks in a security fix. Even found a race condition in haproxy by mistake and Claude took it upon itself to find the crash string. That went horribly bad. Each time they try to up-sell Mythos and say I have to go through a verification program that I am not permitted…
by Bender 7upvotes 9comments
Timeline
- First report on Hacker News thread
Ask HN: Which frontier model can do code security reviews
Source