CVE-2026-62204 — SiYuan before v3.7.4 Plugin Overwrite via Bazaar Install
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 overwri…
Published: 2026-08-22 · CVSS: 5.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7