CVE-2025-66450

CVE-2025-66450 affects LibreChat. Versions 0.8.0 and below allow an attacker to modify the iconURL parameter in a POST request, causing malicious code to be stored in a chat and potentially shared with others. This can lead to privacy loss for users who view the shared chat link. The issue is add...

EUVD-2025-202930

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 wit...

CVE-2025-66450 LibreChat JSON Injection in Chat POST Allows Remote Resource Inclusion and PXSS via Image Upload

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 wit...

PT-2025-50772

Name of the Vulnerable Software and Affected Versions LibreChat versions 0.8.0 and below Description LibreChat, a ChatGPT clone, has an issue where input validation is insufficient when creating prompts. JSON requests sent to the /api/prompts/groups/:groupId endpoint via the PATCH method are not...

LibreChat security vulnerability

LibreChat is an enhanced ChatGPT clone by Danny Avila Personal Developer. A security vulnerability exists in LibreChat 0.8.0 and prior versions that stems from insufficient validation of JSON request input, which may result in unintended prompt modifications...

CVE-2025-66450: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

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 wit...

PT-2025-50771

Name of the Vulnerable Software and Affected Versions LibreChat versions 0.8.0 and below Description A flaw exists in LibreChat versions 0.8.0 and below where modification of the iconURL parameter in a POST request allows an attacker to store malicious code within a chat. Sharing this chat with...

CVE-2025-66451: Improper Input Validation

LibreChat is a ChatGPT clone with additional features. In versions 0.8.0 and below, when creating prompts, JSON requests are sent to define and modify the prompts via PATCH endpoint for prompt groups /api/prompts/groups/:groupId. However, the request bodies are not sufficiently validated for prop...

LibreChat security vulnerability

LibreChat is an enhanced ChatGPT clone by Danny Avila Personal Developer. A security vulnerability exists in LibreChat 0.8.0 and prior versions, which stems from the iconURL parameter can be modified, potentially leading to a stored cross-site scripting attack and privacy disclosure...

CVE-2025-66452: Improper Neutralization of Input During Web Page Generation

LibreChat is a ChatGPT clone with additional features. In versions 0.8.0 and below, there is no handler for JSON parsing errors; SyntaxError from express.json includes user input in the error message, which gets reflected in responses. User input including HTML/JavaScript can be exposed in error...

PT-2025-50773

Name of the Vulnerable Software and Affected Versions LibreChat versions 0.8.0 and below Description LibreChat, a ChatGPT clone with additional features, does not have a handler for JSON parsing errors. A SyntaxError originating from express.json includes user input in the error message, which is...

LibreChat cross-site scripting vulnerability

LibreChat is an enhanced ChatGPT clone by Danny Avila Personal Developer. A cross-site scripting vulnerability exists in LibreChat 0.8.0 and earlier versions that stems from an unhandled JSON parsing error that could lead to a cross-site scripting attack...

CVE-2025-66201

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.1-rc2, LibreChat is vulnerable to Server-side Request Forgery SSRF, by passing specially crafted OpenAPI specs to its "Actions" feature and making the LLM use those actions. It could be used by an authenticated user with...

CVE-2025-66201

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.1-rc2, LibreChat is vulnerable to Server-side Request Forgery SSRF, by passing specially crafted OpenAPI specs to its "Actions" feature and making the LLM use those actions. It could be used by an authenticated user with...

CVE-2025-66201 LibreChat is Vulnerable to Server-Side Request Forgery (SSRF) in Actions Capability

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.1-rc2, LibreChat is vulnerable to Server-side Request Forgery SSRF, by passing specially crafted OpenAPI specs to its "Actions" feature and making the LLM use those actions. It could be used by an authenticated user with...

EUVD-2025-199888

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.1-rc2, LibreChat is vulnerable to Server-side Request Forgery SSRF, by passing specially crafted OpenAPI specs to its "Actions" feature and making the LLM use those actions. It could be used by an authenticated user with...

CVE-2025-66201 LibreChat is Vulnerable to Server-Side Request Forgery (SSRF) in Actions Capability

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.1-rc2, LibreChat is vulnerable to Server-side Request Forgery SSRF, by passing specially crafted OpenAPI specs to its "Actions" feature and making the LLM use those actions. It could be used by an authenticated user with...

CVE-2025-66201

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.1-rc2, LibreChat is vulnerable to Server-side Request Forgery SSRF, by passing specially crafted OpenAPI specs to its "Actions" feature and making the LLM use those actions. It could be used by an authenticated user with...

CVE-2025-66201 LibreChat is Vulnerable to Server-Side Request Forgery (SSRF) in Actions Capability

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.1-rc2, LibreChat is vulnerable to Server-side Request Forgery SSRF, by passing specially crafted OpenAPI specs to its "Actions" feature and making the LLM use those actions. It could be used by an authenticated user with...

CVE-2025-66201

CVE-2025-66201 affects LibreChat. The vulnerability is a Server-Side Request Forgery (SSRF) in the LibreChat tions feature that can be triggered by passing specially crafted OpenAPI specs, allowing an authenticated user with access to the feature to reach URLs only accessible to the LibreChat se...