CVE-2026-54033

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, LibreChat allows users to configure custom OpenAI-compatible API endpoints by setting a baseURL. This URL is used to construct HTTP requests without any SSRF validation — no private IP check, no scheme...

CVE-2026-54029

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the DELETE /api/messages/:conversationId/:messageId endpoint allows any authenticated user to delete any other user's messages. The validateMessageReq middleware only validates that the conversationId...

CVE-2026-54036

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...

CVE-2026-54025

LibreChat suffers a stored XSS in its Markdown artifact preview prior to version 0.8.4-rc1. The vulnerability arises because lib re uses marked v15.0.12 to render image alt text without HTML-escaping double quotes when the custom image renderer defers to the default renderer. LibreChat’s generate...

CVE-2026-54029 LibreChat: IDOR in Message Deletion — Incomplete Fix for CVE-2024-41703 Leaves deleteMessages() Without User Filter

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the DELETE /api/messages/:conversationId/:messageId endpoint allows any authenticated user to delete any other user's messages. The validateMessageReq middleware only validates that the conversationId...

CVE-2026-54029 LibreChat: IDOR in Message Deletion — Incomplete Fix for CVE-2024-41703 Leaves deleteMessages() Without User Filter

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the DELETE /api/messages/:conversationId/:messageId endpoint allows any authenticated user to delete any other user's messages. The validateMessageReq middleware only validates that the conversationId...

PT-2026-52491

Name of the Vulnerable Software and Affected Versions LibreChat versions prior to 0.8.4-rc1 Description A flaw exists in the markdown artifact preview pipeline. The generateMarkdownHtml function located in client/src/utils/markdown.ts utilizes a custom image renderer that triggers a fallback to t...

CVE-2026-34371

LibreChat is a ChatGPT clone with additional features. Prior to 0.8.4, LibreChat trusts the name field returned by the executecode sandbox when persisting code-generated artifacts. On deployments using the default local file strategy, a malicious artifact filename containing traversal sequences f...

EUVD-2026-19946

LibreChat is a ChatGPT clone with additional features. Prior to 0.8.4, LibreChat trusts the name field returned by the executecode sandbox when persisting code-generated artifacts. On deployments using the default local file strategy, a malicious artifact filename containing traversal sequences f...

CVE-2026-31950

LibreChat is a ChatGPT clone with additional features. In versions 0.8.2-rc2 through 0.8.2-rc3, the SSE streaming endpoint /api/agents/chat/stream/:streamId does not verify that the requesting user owns the stream. Any authenticated user who obtains or guesses a valid stream ID can subscribe and...

EUVD-2026-16765

LibreChat is a ChatGPT clone with additional features. Versions 0.8.2-rc2 through 0.8.2 are vulnerable to a server-side request forgery SSRF attack when using agent actions or MCP. Although a previous SSRF vulnerability...

CVE-2025-41258 LibreChat RAG API Authentication Bypass

LibreChat version 0.8.1-rc2 uses the same JWT secret for the user session mechanism and RAG API which compromises the service-level authentication of the RAG API...

CVE-2025-14874 vulnerabilities

Vulnerabilities for packages: kibana, langfuse, librechat, jitsucom-jitsu...

CVE-2025-7105 Denial of Service via JavaScript Memory Overflow in danny-avila/librechat

A vulnerability in danny-avila/librechat allows attackers to exploit the unrestricted Fork Function in /api/convos/fork to fork numerous contents rapidly. If the forked content includes a Mermaid graph with a large number of nodes, it can lead to a JavaScript heap out of memory error upon service...

PT-2026-1932

Name of the Vulnerable Software and Affected Versions LibreChat versions prior to 0.8.2-rc2 Description LibreChat, a ChatGPT clone, does not properly control access when uploading files to an agent's file context or during file searches in version 0.8.1-rc2. An authenticated attacker who knows an...

CVE-2025-66452

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...

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-2025-8849

LibreChat 0.7.9 is affected by a DoS due to unbounded input sizes on /api/memories (parameters key and value). Large inputs trigger a null pointer in the Rust backend, making it impossible to create new memories and destabilizing the service. A remediation suggestion appears in PT-2025-44563: lim...

CVE-2025-8848

A vulnerability in danny-avila/librechat version 0.7.9 allows for HTML injection via the Accept-Language header. When a logged-in user sends an HTTP GET request with a crafted Accept-Language header, arbitrary HTML can be injected into the tag of the response. This can lead to potential security...

EUVD-2025-7052

Malicious code in bioql PyPI...