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A commit meant to "strengthen the crypto" in FreshRSS ended up removing the need for a correct password. Why? Longer SHA-256 nonce + bcrypt truncation at 72 bytes. A nice example of why secure systems are about composition, not just stronger primitives. pentesterlab.com/blog/freshrs...
pentesterlab.comHow "Strengthening Crypto" Broke Authentication: FreshRSS and bcrypt's 72-Byte LimitAs part of our CVE monitoring, we came across GHSA-pcq9-mq6m-mvmp (CVE-2025-68402), an authentication bypass in FreshRSS, a self-hosted RSS aggregator. It ...
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