[CVE-2026-100637] SiYuan versions before v3.8.4 contain a path traversal vulnerability in the checkoutRepo endpoint th…

Descripción técnica

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the checkoutRepo endpoint that allows authenticated administrators to write JSON files outside the workspace. Attackers can supply a sessionID parameter containing directory traversal sequences to overwrite arbitrary JSON files in pre-existing kernel-writable directories outside workspace boundaries.

Puntuación CVSS

Score: 7.6/10 — Severidad: HIGH — Estado NIST: Deferred

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:L

Debilidades (CWE)

CWE-73

Fuente oficial

Publicado en NIST NVD.