LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.7.6, an Insecure Direct Object Reference (IDOR) vulnerability exists in the API keys management endpoint (PUT /api/keys). Due to the use of the JavaScript object spread operator after setting the authenticated user's ID, any authenticated user can inject a userId parameter in the request body to overwrite any other user's API keys (e.g., OpenAI, Anthropic, Azure). This allows an attacker to replace a victim's API key configuration, potentially routing the victim's conversations through attacker-controlled keys or denying service by providing invalid keys. This is patched in version 0.8.3-rc1.
History

Wed, 03 Jun 2026 04:00:00 +0000

Type Values Removed Values Added
First Time appeared Danny-avila
Danny-avila libre Chat
Vendors & Products Danny-avila
Danny-avila libre Chat

Wed, 03 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
Description LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.7.6, an Insecure Direct Object Reference (IDOR) vulnerability exists in the API keys management endpoint (PUT /api/keys). Due to the use of the JavaScript object spread operator after setting the authenticated user's ID, any authenticated user can inject a userId parameter in the request body to overwrite any other user's API keys (e.g., OpenAI, Anthropic, Azure). This allows an attacker to replace a victim's API key configuration, potentially routing the victim's conversations through attacker-controlled keys or denying service by providing invalid keys. This is patched in version 0.8.3-rc1.
Title LibreChat has IDOR in API Keys Management that allows any authenticated user to overwrite other users' API keys
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-02T22:22:13.527Z

Reserved: 2026-03-10T15:10:10.656Z

Link: CVE-2026-31942

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-02T23:16:35.687

Modified: 2026-06-02T23:16:35.687

Link: CVE-2026-31942

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-03T04:00:13Z