CVE-2026-72801
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| siyuan-note | siyuan | 0 < 3.7.4 | affected |
| siyuan-note | siyuan | 3.7.4 | unaffected |
Weaknesses
- CWE-522: Insufficiently Protected Credentials
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
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