CVE-2026-87815
8.4
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H
Summary
SiYuan versions before v3.8.2 contain a path traversal vulnerability in the /api/riff/removeRiffDeck endpoint that fails to validate the deckID parameter. An authenticated administrator can supply path traversal sequences to delete arbitrary .deck and .cards files outside the workspace directory.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| siyuan-note | siyuan | 0 < 3.8.2 | affected |
| siyuan-note | siyuan | 3.8.2 | unaffected |
Weaknesses
- CWE-73: External Control of File Name or Path
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-94vh-rpgr-rpwc
- https://www.vulncheck.com/advisories/siyuan-before-3.8.2-path-traversal-via-removeriffdeck
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