MEDIUM 5.9 NVD
CVE-2026-62204
SiYuan versions before v3.7.4 fail to validate that packageName matches the downloaded package content in bazaar install endpoints. Attackers with same-origin a
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.
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rpx2-p6hp-x5gj
- https://www.vulncheck.com/advisories/siyuan-before-plugin-overwrite-via-bazaar-install
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-08-22 via NVD.
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