VULNERABILITY INTELLIGENCE
CVE-2026-62204
CVSS score6.6 MEDIUM
EPSS probability0.09%
CISA KEVNot currently listed
Published2026-08-22
Last modified2026-10-12
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L
Description
SiYuan versions before v3.7.4 fail to validate that packageName matches the downloaded package content in bazaar install endpoints. Attackers with same-origin access can overwrite existing trusted plugins by supplying mismatched packageName and repoURL parameters, achieving persistence across application restarts.
Weakness classification
- disclosure@vulncheck.com: CWE-345