
Hirundo says weight edits can remove Qwen3-Coder's pro-CCP bias
Even after the change, generated apps still failed a security benchmark more than half the time.
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Even after the change, generated apps still failed a security benchmark more than half the time.
Malicious CLAUDE.md-style files shifted secure completions by -8 to +6 points, while disclosure behavior differed by agent.
Across 63,684 programs from 12 models, it selected secure code in 74% of cases and ranked the vulnerable statement first 58% of the time.
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