CVE-2026-20896

9.8 Critique

Publiée le 03/07/2026 à 23:16 · Modifiée le 07/07/2026 à 20:16 · Analyse NVD reportée · Source : 88ee5874-cf24-4952-aea0-31affedb7ff2

Description

Gitea Docker image versions up to and including 1.26.2 use REVERSE_PROXY_TRUSTED_PROXIES=* by default, allowing any source IP to impersonate a user when reverse-proxy authentication headers such as X-WEBAUTH-USER are enabled.

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Produits concernés

Gitea Open Source Git Server

Scores CVSS

Version	Score	Source	Vecteur
3.1	9.8 Critique	88ee5874-cf24-4952-aea0-31affedb7ff2	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Faiblesses (CWE)

CWE-284

Références

https://blog.gitea.com/release-of-1.26.3-and-1.26.4/
https://github.com/go-gitea/gitea/pull/38151
https://github.com/go-gitea/gitea/releases/tag/v1.26.3
https://github.com/go-gitea/gitea/security/advisories/GHSA-f75j-4cw6-rmx4
https://github.com/go-gitea/gitea/security/advisories/GHSA-f75j-4cw6-rmx4

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories