CVE-2026-72801

Description

SiYuan versions before v3.7.4 disclose encrypted-notebook key-derivation material and wrapped data keys through unauthenticated endpoints in publish mode. Attackers can retrieve Argon2id salt, cost parameters, password verifiers, and wrapped notebook keys to perform unlimited offline master-password cracking without rate limiting.

CVSS Vector

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8x84-r2ff-h8pq
• https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-encryption-key-material