What is CVE-2026-72801?

CVE-2026-72801 is a high-severity vulnerability in Siyuan-note Siyuan, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2026-08-12.

How severe is CVE-2026-72801?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Siyuan-note Siyuan

CVE-2026-72801

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 wrapp…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Siyuan-note Siyuan — versions 0, 3.7.4

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-72801?: CVE-2026-72801 is a high-severity vulnerability in Siyuan-note Siyuan, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2026-08-12.
How severe is CVE-2026-72801?: High severity. CVSS v3 base score is 7.5 out of 10.