CVE-2026-120315

LobeHub Chat from 1.84.26 before 2.1.49 contains a path traversal vulnerability that allows authenticated users to write arbitrary files by supplying unsanitized file names to writeTempFile(). Attackers can create a file record via file.createFile with a traversal name, then trigger document parsing to overwrite application files like startServer.js for code execution or denial of service.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/lobehub/lobehub/security/advisories/GHSA-2g9j-v25c-4j97
https://www.vulncheck.com/advisories/lobehub-chat-1.84.26-before-2.1.49-path-traversal-rce-via-writetempfile

Configurations

No configuration.

History

02 Nov 2026, 03:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-11-02 03:17

Updated : 2026-11-02 19:35

NVD link : CVE-2026-120315

Mitre link : CVE-2026-120315

CVE.ORG link : CVE-2026-120315

JSON object : View

Products Affected

No product.

CWE

CWE-22

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

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