Technical analysis challenging hype around Anthropic's Mythos vulnerability research tool. The author reconstructs Mozilla's Firefox 150 findings from commit history and CVE data, showing the publicized "271 vulnerabilities" conflates hundreds of commits across multiple severity levels and includes defensive hardening alongside exploitable issues. While Mythos demonstrably found real bugs, the evidence doesn't support claims of superhuman offensive research capability.
Research
A quick look at Mythos run on Firefox: too much hype?
Analysis reveals Anthropic's Mythos found real Firefox bugs but the "271 vulnerabilities" figure misleadingly conflates commits of varying severity, overstating the tool's offensive research capability.
Friday, April 24, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline
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