Vulnerabilidad · Publicado 28/08/2026
El componente gix-url de gitoxide (versiones ≤ 0.32.0) implementa un parseador de URLs personalizado que incumple RFC 3986, permitiendo que caracteres como '?' y '#' no terminen correctamente la autoridad. Un atacante puede manipular redirecciones HTTP para eludir validaciones de identidad (can_reuse_identity), exponiendo repositorios Git en servidores corporativos de México y LATAM a suplantación de host y exfiltración de credenciales.
gitoxide's gix-url crate (<= 0.32.0, fixed in 0.37.1) uses a hand-rolled URL parser that does not treat '?' or '#' as terminating the authority component, contrary to RFC 3986. As a consequence, gix-transport's HTTP redirect identity guard (can_reuse_identity) compares the wrong host and fails open. An attacker controlling a redirect response can craft a Location header of the form <attacker-authority>?@<original-authority> so that gitoxide sends the caller's HTTP Basic Authorization credentials to an unintended host. gix-transport is affected in versions <= 0.49.0 (fixed in 0.58.1).
Score: 7.5/10 — Severidad: HIGH — Estado NIST: Received
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-522
Publicado en NIST NVD.