VULNERABILITY INTELLIGENCE

CVE-2026-73606

CVSS score5.8 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-08-13
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Description

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint that fails to check password-protected document tiers. Unauthenticated readers can discover that password-protected documents reference specific blocks and obtain block identifiers without entering the document password.

Weakness classification

  • disclosure@vulncheck.com: CWE-639

Primary references