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...

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 ...

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...