CVE-2026-118680
SiYuan 3.8.7 through 3.8.8 fails to normalize Windows GLOBALROOT device-namespace aliases, bypassing the IsSensitivePath denylist. Attackers can invoke importStdMd with a GLOBALROOT-prefixed path to copy the API token and TLS private key into the publicly served assets directory.
- Score
- CVSS 4.0 5.9 Medium
- Status
- Deferred - disclosure@vulncheck.com
- Published
- 2026-10-28
- Last modified
- 2026-10-28
- Weaknesses
- CWE-22
Affected products
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gg3p-r4g8-vxg2
- https://www.vulncheck.com/advisories/siyuan-3.8.7-through-3.8.8-path-traversal-via-globalroot-alias
