CVE-2026-109309

Published: Ott 12, 2026 Last Modified: Ott 12, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,9
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: active
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 6,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

SiYuan v3.7.0 before v3.8.6 contains an absolute path traversal vulnerability in the kernel's private plugin HTTP server, which passes a kernel plugin handler's ResponseFile.Path to gin's Context.File without validation. Attackers supplying a malicious kernel plugin can return an absolute path to read any file readable by the SiYuan process, including the API token and conf.json.

22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands Modify Files Or Directories Read Files Or Directories Dos: Crash, Exit, Or Restart
Applicable Platforms
Technologies: AI/ML
Likelihood of Exploit: High
View CWE Details
https://github.com/siyuan-note/siyuan/commit/c6494375ea40ee…
https://github.com/siyuan-note/siyuan/commit/c6494375ea40ee973f430f0e85d50f1862…
https://github.com/siyuan-note/siyuan/security/advisories/G…
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-phmw-4rgv-r4xv
https://www.vulncheck.com/advisories/siyuan-3.7.0-before-3.…
https://www.vulncheck.com/advisories/siyuan-3.7.0-before-3.8.6-arbitrary-file-r…