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.
Published: 2026-11-02
Score: 8.7 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Mon, 02 Nov 2026 02:30:00 +0000

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'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-02T02:01:13.641Z

Reserved: 2026-11-01T12:48:05.670Z

Link: CVE-2026-120315

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-02T03:17:29.457

Modified: 2026-11-02T19:35:33.347

Link: CVE-2026-120315

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-02T04:00:09Z

Weaknesses
  • CWE-22

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