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CVE-2026-120315 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/lobehub/lobehub/security/advisories/GHSA-2g9j-v25c-4j97	CISA-ADP	AdvisoryExploitRemedyVendor
https://github.com/lobehub/lobehub/security/advisories/GHSA-2g9j-v25c-4j97	[email protected]	AdvisoryExploitRemedyVendor
https://www.vulncheck.com/advisories/lobehub-chat-1.84.26-before-2.1.49-path-traversal-rce-via-writetempfile	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-22	Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')	[email protected]

Affected Products

Product	Versions
LobeHub Chat	>= 1.84.26, < 2.1.49 (semver)
CPE cpe:2.3:a:lobehub:lobe_chat:::::::: Remediation Upgrade: 2.1.49moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 6, 2026	CVE Modified	CISA-ADP
Nov 2, 2026	New CVE Received	[email protected]