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daniel:// stenberg://onMastodon29d ago
#Mythos finds a #curl vulnerability
yes, as in singular one.
https://daniel.haxx.se/blog/2026/05/11/mythos-finds-a-curl-vulnerability/
Trust Metrics
88
92
70
90
Accuracy88%
Framing92%
Context70%
Tone90%
Analysis Summary
Anthropic's Mythos AI model discovered a vulnerability in curl, the widely-used file transfer library. Mythos was restricted from public release in April 2026 because it proved exceptionally effective at finding security flaws in source code with minimal false positives — a capability that raised concerns among software companies, banks, and governments about accelerating vulnerability discovery outpacing the industry's ability to patch systems.
Claims Analysis (3)
“Mythos finds a curl vulnerability”
Confirmed by the linked blog post from Daniel Haxx (curl creator) and corroborated by Ars Technica, CNBC, Guardian coverage of Mythos vulnerability discovery capability.
“Anthropic's Mythos model is dangerously good at finding security flaws in source code”
Multiple outlets (Ars Technica, CNBC, Guardian) confirm Mythos' exceptional capability at finding vulnerabilities. Mozilla reports 271 vulnerabilities found with 'almost no false positives.'
“Anthropic has not released Mythos to the public yet”
Linked article states Anthropic would not release the model publicly due to its dangerous effectiveness at finding flaws. Corroborated by reference to controlled deployment strategy in coverage.
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