HIGHVulnerability
CVE-2026-87815
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.
Properties
- severity
- HIGH
- score
- 8.7
- cve_id
- CVE-2026-87815
- signal_observed_at
- 2026-09-17T21:32:24+00:00
- vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H
- published_at
- 2026-09-09T12:17:16.537
- last_modified
- 2026-09-14T14:17:17.650
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]External Control of File Name or Path
DESCRIBED_BY (1)
→[Source]NVD
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