CVE-2026-118680
SiYuan 3.8.7 through 3.8.8 Path Traversal via GLOBALROOT Alias
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| siyuan siyuan-note github.com/siyuan-note/siyuan/kernel
golang |
≥ 3.8.7; ≤ 3.8.8 (affected, semver)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.9 medium |
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 4.4 medium |
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N | CNA: VulnCheck |
Exploit evidence
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gg3p-r4g8-vxg2
exploit · ADP: CISA-ADP
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gg3p-r4g8-vxg2CNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/siyuan-3.8.7-through-3.8.8-path-traversal-via-globalroot-aliasCNA: VulnCheck · third-party-advisory
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gg3p-r4g8-vxg2ADP: CISA-ADP · exploit
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