CVE-2026-100637

7.6 HIGHpublic exploit available

Published 2026-09-26 · Updated 2026-09-26

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:L

Weaknesses

CWE-73

Public exploit & PoC references

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jhmh-hr4g-c5g2

All 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-sessionid

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

Related CVEs

HIGHCVE-2026-100638PoC
UNSCOREDCVE-2026-101126
HIGHCVE-2026-13248
HIGHCVE-2026-15307PoC
HIGHCVE-2026-18806
MEDIUMCVE-2026-19860
HIGHCVE-2026-53940PoC
UNSCOREDCVE-2026-54582PoC

Related by shared AI tags and CWE weakness class. Browse the full archive.