CVE-2026-62204

MediumCVSS 6.6/10Last modified Oct 12, 2026

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.

Metrics

CVSS 3.1 6.6/10CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L

Weakness enumeration

CWE-345

Affected software

No affected versions have been published.

Timeline

Published: Aug 22, 2026
Last modified: Oct 12, 2026
NVD status: Deferred

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