CVE-2026-20896: fallo crítico en Gitea Open Source Git Server
Gitea Docker image trusts spoofable reverse-proxy headers by default
Publicada el · Actualizada el
85Vexday Risk Score
Corrige ahora. Ella explotación observada por VulnCheck y tiene exploit funcional público.
ssvc Actcvss 9.8epss 2.8%
de la publicación al arma0 días
Publicada en NVD3 jul
1ª PoC2 jul
VulnCheck+3d
probabilidad de explotación
2.8%top 14% de las CVE
explotación observada
síVulnCheck
14 exploit(s) público(s)
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Gitea · Gitea Open Source Git ServerPoCs públicas encontradas — 14
githubgithub.com/szybnev/cve-2026-20896-gitea-poc★ 10githubgithub.com/rz1027/CVE-2026-20896★ 6githubgithub.com/XaocZenon/CVE-2026-20896★ 6githubgithub.com/yym8538/CVE-2026-20896★ 1githubgithub.com/kaleth4/CVE-2026-20896★ 1githubgithub.com/judgedbykira/CVE-2026-20896-Gitea-Authentication-Bypass★ 1githubgithub.com/EQSTLab/CVE-2026-20896★ 1githubgithub.com/Lite-os15/Lab-001-Gitea-CVE-2026-20896-★ 0vulncheckvulncheck.com/xdb/9beacb6c0f06no verificadovulncheckvulncheck.com/xdb/0ede3f054e22no verificadovulncheckvulncheck.com/xdb/04be6b5f087bno verificadovulncheckvulncheck.com/xdb/16efe72f2bf4no verificadovulncheckvulncheck.com/xdb/dac65188755eno verificadovulncheckvulncheck.com/xdb/635231d59316no verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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