CVE-2026-120315

LobeHub Chat 1.84.26 before 2.1.49 Path Traversal RCE via writeTempFile

Published Nov 2, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Lobehub
Lobehub lobe Chat
Vendors & Products Lobehub
Lobehub lobe Chat
Type Values Removed Values Added
Description 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.
Title LobeHub Chat 1.84.26 before 2.1.49 Path Traversal RCE via writeTempFile
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 6, 2026, 7:18 PM
Reserved
Nov 1, 2026, 12:48 PM
Status
Deferred
Published
Nov 2, 2026, 3:17 AM
Modified
Nov 6, 2026, 8:17 PM