LibreChat <= 0.7.9 - HTML Injection via Accept-Language Header

danny-avila/librechat 0.7.9 contains a stored XSS caused by improper sanitization of the Accept-Language header, letting logged-in users inject arbitrary HTML into the html lang= tag, exploit requires user to be logged in. id: CVE-2025-8848 info: name: LibreChat marker"...

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...

CVE-2026-44654

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, a shared-agent editor can delete file records through DELETE /api/files that the owner has reused across multiple agents. The deletion removes the file globally — not just from the...

CVE-2026-44653

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, users with only VIEW access to an MCP server can retrieve the server's decrypted admin-managed secrets through GET /api/mcp/servers and GET /api/mcp/servers/:serverName. The returned...

CVE-2026-32625

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol MCP server integration resolves $VAR placeholders against the server's process.env during Zod schema validation of user-supplied MCP server URLs. Any...

CVE-2026-31942

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...

CVE-2026-44653

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, users with only VIEW access to an MCP server can retrieve the server's decrypted admin-managed secrets through GET /api/mcp/servers and GET /api/mcp/servers/:serverName. The returned...

CVE-2026-31942

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...

CVE-2026-32625

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol MCP server integration resolves $VAR placeholders against the server's process.env during Zod schema validation of user-supplied MCP server URLs. Any...

CVE-2026-44654

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, a shared-agent editor can delete file records through DELETE /api/files that the owner has reused across multiple agents. The deletion removes the file globally — not just from the...

CVE-2026-44654 LibreChat: Shared-agent editor can globally delete owner's file records — breaks owner's other private agents

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, a shared-agent editor can delete file records through DELETE /api/files that the owner has reused across multiple agents. The deletion removes the file globally — not just from the...

EUVD-2026-34047

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, users with only VIEW access to an MCP server can retrieve the server's decrypted admin-managed secrets through GET /api/mcp/servers and GET /api/mcp/servers/:serverName. The returned...

CVE-2026-44653 LibreChat Shared MCP Server View Leaks Decrypted Admin Secrets

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, users with only VIEW access to an MCP server can retrieve the server's decrypted admin-managed secrets through GET /api/mcp/servers and GET /api/mcp/servers/:serverName. The returned...

CVE-2026-32625 LibreChat Exfiltrates Server Secrets via MCP Server URL Injection

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol MCP server integration resolves $VAR placeholders against the server's process.env during Zod schema validation of user-supplied MCP server URLs. Any...

CVE-2026-32625

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol MCP server integration resolves $VAR placeholders against the server's process.env during Zod schema validation of user-supplied MCP server URLs. Any...

CVE-2026-32625

LibreChat vulnerability CVE-2026-32625 affects versions up to 0.8.3 where MCP server URL validation expands ${VAR} against process.env during Zod schema checks. An authenticated user can configure a malicious MCP URL to exfiltrate secrets (CREDS_KEY, CREDS_IV, JWT_SECRET, MONGO_URI) to an attacke...

CVE-2026-31942 LibreChat has IDOR in API Keys Management that allows any authenticated user to overwrite other users' API keys

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...

CVE-2026-31942

LibreChat (up to version 0.7.6) is affected by an Insecure Direct Object Reference (IDOR) in the API keys management endpoint (PUT /api/keys). After setting the authenticated user’s ID, an attacker can inject a userId parameter in the request body to overwrite other users’ API keys (e.g., OpenAI,...

CVE-2026-31942

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...

CVE-2026-31942 LibreChat has IDOR in API Keys Management that allows any authenticated user to overwrite other users' API keys

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...