frp vulnerabilities

2 known vulnerabilities in frp from Fatedier. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.7 High severity

  frp: Improper Validation of Array Index

  CVE-2026-73564Aug 13, 2026Fatedier

  frp is a fast reverse proxy. From 0.53.0 until 0.70.1, frp's optional SSH Tunnel Gateway in pkg/ssh/server.go parses an SSH exec channel request by adding 4 to an attacker-controlled four-byte big-endian length. A length of 0xFFFFFFFF makes the uint32 addition

• 9.1 Critical severity

  frp: Improper Authentication

  CVE-2026-40910Apr 21, 2026Fatedier

  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-Authorizati