HIGH 8.3 NVD
CVE-2026-100638
SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrar
SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook parameter to escape the workspace data directory and write conf.json files to arbitrary locations accessible by the kernel process.
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-6h8x-6mph-7438
- https://www.vulncheck.com/advisories/siyuan-before-3.8.4-path-traversal-via-setnotebookico
This high severity vulnerability with a CVSS score of 8.3 was published on 2026-09-26 via NVD.
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