CVE-2026-31943 LibreChat has SSRF protection bypass via IPv4-mapped IPv6 normalization in isPrivateIP

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.3, isPrivateIP in packages/api/src/auth/domain.ts fails to detect IPv4-mapped IPv6 addresses in their hex-normalized form, allowing any authenticated user to bypass SSRF protection and make the server issue HTTP requests ...

EUVD-2026-16764

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.3, isPrivateIP in packages/api/src/auth/domain.ts fails to detect IPv4-mapped IPv6 addresses in their hex-normalized form, allowing any authenticated user to bypass SSRF protection and make the server issue HTTP requests ...

CVE-2026-31943 LibreChat has SSRF protection bypass via IPv4-mapped IPv6 normalization in isPrivateIP

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.3, isPrivateIP in packages/api/src/auth/domain.ts fails to detect IPv4-mapped IPv6 addresses in their hex-normalized form, allowing any authenticated user to bypass SSRF protection and make the server issue HTTP requests ...

CVE-2026-31943 LibreChat has SSRF protection bypass via IPv4-mapped IPv6 normalization in isPrivateIP

LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.3, isPrivateIP in packages/api/src/auth/domain.ts fails to detect IPv4-mapped IPv6 addresses in their hex-normalized form, allowing any authenticated user to bypass SSRF protection and make the server issue HTTP requests ...

CVE-2026-31943

LibreChat prior to 0.8.3 contains an SSRF protection bypass in isPrivateIP() (packages/api/src/auth/domain.ts) that fails to detect IPv4‑mapped IPv6 addresses in hex-normalized form. This allows any authenticated user to cause the server to issue HTTP requests to internal resources (e.g., AWS 169...

PT-2026-28430

Name of the Vulnerable Software and Affected Versions LibreChat versions 0.8.2-rc2 through 0.8.2 Description LibreChat, a ChatGPT clone with additional features, has a server-side request forgery SSRF issue in versions 0.8.2-rc2 through 0.8.2 when utilizing agent actions or MCP. A prior SSRF fix...

PT-2026-28432

Name of the Vulnerable Software and Affected Versions LibreChat versions 0.8.2-rc1 through 0.8.3-rc1 Description LibreChat, a ChatGPT clone, has an issue where user-created Model Context Protocol MCP servers can include arbitrary HTTP headers. These headers are subject to credential placeholder...

LibreChat 访问控制错误漏洞

LibreChat is an open-source, free, and highly customizable unified AI conversation platform. It allows for the aggregation and running of large models from any vendor within one interface. Versions of LibreChat 0.8.2-rc2 to 0.8.2-rc3 contain an access control vulnerability. This vulnerability ste...

LibreChat 代码问题漏洞

LibreChat is an open-source, free, and highly customizable unified AI dialogue platform. It allows for the aggregation and running of large models from any vendor within a single interface. Prior to LibreChat 0.8.3, there were code vulnerabilities. These vulnerabilities stemmed from the isPrivate...

PT-2026-28429

Name of the Vulnerable Software and Affected Versions LibreChat versions prior to 0.8.3 Description LibreChat is a ChatGPT clone with additional features. Prior to version 0.8.3, the isPrivateIP function in packages/api/src/auth/domain.ts does not correctly identify IPv4-mapped IPv6 addresses in...

LibreChat 信息泄露漏洞

LibreChat is an open-source, free, and highly customizable unified AI dialogue platform. It allows for the aggregation and running of large models from any vendor within one interface. Versions of LibreChat from 0.8.2-rc1 to 0.8.3-rc1 have a vulnerability related to information leakage. This...

LibreChat 代码问题漏洞

LibreChat is an open-source, free, and highly customizable unified AI dialogue platform. It allows for the aggregation and running of large models from any vendor within a single interface. Versions of LibreChat from 0.8.2-rc2 to 0.8.2 contain code vulnerabilities. These vulnerabilities stem from...

PT-2026-28431

Name of the Vulnerable Software and Affected Versions LibreChat versions 0.8.2-rc2 through 0.8.2-rc3 Description LibreChat, a ChatGPT clone, has an issue where the SSE streaming endpoint /api/agents/chat/stream/:streamId does not confirm that the user making the request is authorized to access th...

CVE-2026-4276

LibreChat RAG API, version 0.7.0, contains a log-injection vulnerability that allows attackers to forge log entries...

CVE-2026-33265

In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API...

CVE-2025-41258

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...

EUVD-2025-208825

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...

EUVD-2026-12813

In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API...

CVE-2026-33265

In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API...

CVE-2025-41258

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...