LibreChat is a ChatGPT clone with additional features. In versions 0.8.0 and below, when a user posts a question, the iconURL parameter of the POST request can be modified by an attacker. The malicious code is then stored in the chat which can then be shared to other users. When sharing chats with a potentially malicious “tracker”, resources loaded can lead to loss of privacy for users who view the chat link that is sent to them. This issue is fixed in version 0.8.1.
History

Fri, 12 Dec 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 12 Dec 2025 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Librechat
Librechat librechat
Vendors & Products Librechat
Librechat librechat

Thu, 11 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Description LibreChat is a ChatGPT clone with additional features. In versions 0.8.0 and below, when a user posts a question, the iconURL parameter of the POST request can be modified by an attacker. The malicious code is then stored in the chat which can then be shared to other users. When sharing chats with a potentially malicious “tracker”, resources loaded can lead to loss of privacy for users who view the chat link that is sent to them. This issue is fixed in version 0.8.1.
Title LibreChat JSON Injection in Chat POST Allows Remote Resource Inclusion and PXSS via Image Upload
Weaknesses CWE-80
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-12-11T22:05:47.384Z

Updated: 2025-12-12T19:30:38.502Z

Reserved: 2025-12-01T18:22:06.865Z

Link: CVE-2025-66450

cve-icon Vulnrichment

Updated: 2025-12-12T19:30:35.493Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2025-12-11T22:15:56.153

Modified: 2025-12-12T15:17:31.973

Link: CVE-2025-66450

cve-icon Redhat

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