HIGH 8.3 NVD
CVE-2026-100637
SiYuan versions before v3.8.4 contain a path traversal vulnerability in the checkoutRepo endpoint that allows authenticated administrators to write JSON files o
SiYuan versions before v3.8.4 contain a path traversal vulnerability in the checkoutRepo endpoint that allows authenticated administrators to write JSON files outside the workspace. Attackers can supply a sessionID parameter containing directory traversal sequences to overwrite arbitrary JSON files in pre-existing kernel-writable directories outside workspace boundaries.
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhmh-hr4g-c5g2
- https://www.vulncheck.com/advisories/siyuan-before-3.8.4-path-traversal-via-checkoutrepo-s
This high severity vulnerability with a CVSS score of 8.3 was published on 2026-09-26 via NVD.
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