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CVE-2026-62204

5.9 medium SSVC exploitation: none Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 5.9NVD modified 2026-10-12 16:10

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2