CVE-2026-72789CWE-862broken-access-control

CVE-2026-72789

High · published August 13, 2026

CVSS v3.1
8.6
EPSS
1%
Percentile
42.2
In the wild
Unconfirmed
What it is

SiYuan before v3.7.4 fails to properly validate publish access for encrypted notebooks, treating them as publicly accessible by default. Anonymous readers can enumerate and retrieve fully decrypted document content from unlocked encrypted notebooks through the publish API without authentication or key material.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00504 · 42.2th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-08-13T00:17Z
References (3)
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v684-q882-jgmq · [email protected]https://www.vulncheck.com/advisories/siyuan-before-authentication-bypass-via-encrypted-notebooks · [email protected]https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v684-q882-jgmq · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 12 AUG 19:07Z
    SiYuan before v3.7.4 Authentication Bypass via Encrypted Notebooks
    cvelistv5