CVE-2026-62204
Medium
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.
SeverityMedium
CVSS6.6
Exploit probability—
ProductGithub.com/siyuan-note/siyuan/kernel
PublishedAug 22, 2026
First seenAug 22, 2026
Weakness typeCWE-345CWE-345
How to fix
Update
- github.com/siyuan-note/siyuan/kernel0.0.0-20260808010544-26ccb40d390e or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/siyuan-note/siyuan/kernelGo | v < 0.0.0-20260808010544-26ccb40d390e | 0.0.0-20260808010544-26ccb40d390e |
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