CVE-2026-72792CWE-863broken-access-control

CVE-2026-72792

Medium · published August 13, 2026

CVSS v3.1
5.8
EPSS
0%
Percentile
24.3
In the wild
Unconfirmed
What it is

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that returns tag labels and occurrence counts from password-protected documents to unauthenticated readers. Attackers can enumerate tag vocabulary and internal terminology from password-protected documents by calling the tag endpoint without providing the document's publish password.

The record
Technical detail
CVSS v3.1
5.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00325 · 24.3th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-08-13T00:17Z
References (2)
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-mp7r-57w4-5qm3 · [email protected]https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-tag-api · [email protected]
EPSS history
Timeline
  • 12 AUG 19:07Z
    SiYuan before v3.7.4 Information Disclosure via Tag API
    cvelistv5