CVE-2026-71310

A flaw was found in rclone. A remote attacker, by controlling a malicious or compromised proxy server or acting as an on-path attacker for a plaintext HTTP proxy connection, could send oversized HTTP CONNECT response headers. The rclone application's HTTP CONNECT helper processes these responses...

CVE-2026-71310 rclone: Unbounded HTTP CONNECT Response Headers Can Exhaust rclone Memory

rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.75.0, the shared HTTP CONNECT helper in lib/proxy/http.go parses proxy CONNECT responses with http.ReadResponse over an unrestricted buffered reader, allowing a malicious or...