CVE-2026-100637

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 fil...

CVE-2026-100637 SiYuan before v3.8.4 Path Traversal via checkoutRepo sessionID

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 fil...

CVE-2026-100637 SiYuan before v3.8.4 Path Traversal via checkoutRepo sessionID

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 fil...

EUVD-2026-87731

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 fil...

CVE-2026-100637 SiYuan before v3.8.4 Path Traversal via checkoutRepo sessionID

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 fil...

CVE-2026-100637

SiYuan versions before v3.8.4 are vulnerable to a path traversal vulnerability within the checkoutRepo endpoint. This flaw allows authenticated administrators to write JSON files outside the designated workspace by supplying a sessionID parameter containing directory traversal sequences. Successf...

CVE-2026-100637: External Control of File Name or Path

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 fil...

PT-2026-99308

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.4 Description A path traversal issue exists in the 'checkoutRepo' endpoint. Authenticated administrators can overwrite arbitrary JSON files in pre-existing kernel-writable directories outside the workspace boundari...