Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication in the HTTP vhost routing process when routeByHTTPUser is used for access control. An attacker can gain unauthorized access to protected backend services by sending proxy-style requests that use a known or guesse...

CVE-2026-40910

frp is a fast reverse proxy. From 0.43.0 to 0.68.0, frp contains an authentication bypass in the HTTP vhost routing path when routeByHTTPUser is used as part of access control. In proxy-style requests, the routing logic uses the username from Proxy-Authorization to select the routeByHTTPUser...

CVE-2026-40910 frp: Authentication bypass in frp HTTP vhost routing when routeByHTTPUser is used for access control

frp is a fast reverse proxy. From 0.43.0 to 0.68.0, frp contains an authentication bypass in the HTTP vhost routing path when routeByHTTPUser is used as part of access control. In proxy-style requests, the routing logic uses the username from Proxy-Authorization to select the routeByHTTPUser...

CVE-2026-40910

Summary : frp versions 0.43.0–0.68.0 contain an authentication bypass in the HTTP vhost routing path when using routeByHTTPUser for access control. The routing logic derives the route from the Proxy-Authorization username, while access control checks credentials from the standard Authorization he...

CVE-2026-40910

frp is a fast reverse proxy. From 0.43.0 to 0.68.0, frp contains an authentication bypass in the HTTP vhost routing path when routeByHTTPUser is used as part of access control. In proxy-style requests, the routing logic uses the username from Proxy-Authorization to select the routeByHTTPUser...

GHSA-PQ96-PWVG-VRR9 frp has an authentication bypass in HTTP vhost routing when routeByHTTPUser is used for access control

Summary frp contains an authentication bypass in the HTTP vhost routing path when routeByHTTPUser is used as part of access control. In proxy-style requests, the routing logic uses the username from Proxy-Authorization to select the routeByHTTPUser backend, while the access control check uses...

frp has an authentication bypass in HTTP vhost routing when routeByHTTPUser is used for access control

Summary frp contains an authentication bypass in the HTTP vhost routing path when routeByHTTPUser is used as part of access control. In proxy-style requests, the routing logic uses the username from Proxy-Authorization to select the routeByHTTPUser backend, while the access control check uses...