What is GHSA-h9g5-83g6-g5ch?

GHSA-h9g5-83g6-g5ch is a security advisory published by GitHub Security Advisories with High severity. SiYuan versions before v3.8.2 contain a path traversal vulnerability in the /api/riff...

Which CVE IDs does GHSA-h9g5-83g6-g5ch cover?

GHSA-h9g5-83g6-g5ch covers the following CVE IDs: CVE-2026-87815. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-h9g5-83g6-g5ch?

GHSA-h9g5-83g6-g5ch has a CVSS v3 base score of 8.7, published by GitHub Security Advisories.

GHSA-h9g5-83g6-g5chHighCVSS 8.7

SiYuan versions before v3.8.2 contain a path traversal vulnerability in the /api/riff...

Vendor

GitHub Security Advisories

Published

September 9, 2026

Last Modified

September 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-87815 →

📋 Description

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.

🔗 References (4)

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-94vh-rpgr-rpwc
https://nvd.nist.gov/vuln/detail/CVE-2026-87815
https://www.vulncheck.com/advisories/siyuan-before-3.8.2-path-traversal-via-removeriffdeck
https://github.com/advisories/GHSA-h9g5-83g6-g5ch