High severity7.5NVD Advisory· Published Aug 12, 2026· Updated Aug 26, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
github.com/siyuan-note/siyuan/kernelGo	< 0.0.0-20260724102025-3bc014c7dc32	0.0.0-20260724102025-3bc014c7dc32

Affected products

Siyuan Note/Siyuanllm-fuzzy
Range: <v3.7.4

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-8x84-r2ff-h8pqghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-72801ghsaADVISORY
github.com/siyuan-note/siyuan/security/advisories/GHSA-8x84-r2ff-h8pqnvdWEB
www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-encryption-key-materialnvdWEB

News mentions

Siyuan Note: 22 Vulnerabilities Disclosed Together, Patch Released in v3.7.4
Vypr Intelligence · Aug 12, 2026

cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
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ransomware	0.000