PT-2026-133555
CVE-2026-13576
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Published
2026-10-30
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Updated
2026-10-30
Description by
Score
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CallBackery versions before 0.62.0 for Perl store user passwords as unsalted HMAC-SHA1 hashes.
Passwords are hashed with hmac sha1 sum() from Mojo::Util with no key, a single fast SHA-1 HMAC. There is no salt, so equal passwords give equal hashes, and no work factor slows down guessing.
An attacker who obtains the user table can recover passwords by fast offline guessing.
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