Schwachstellen / CVE-2026-20896

kritisch

CVE-2026-20896

Gitea Docker image: `REVERSE_PROXY_TRUSTED_PROXIES = *` default lets any source IP impersonate any user via `X-WEBAUTH-USER`

Veröffentlicht Geändert CWE 284
In der Trivy Database seit spätestens 24. Okt. 2026, 07:11 UTCWann der Eintrag vor diesem Build hinzukam, ist nicht erfasst.

Einstufung nach Quelle

GHSA9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivys eigenes Label ist CRITICAL. Kritisch laut GHSA.

Beschreibung

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.

Betroffene Pakete und behobene Versionen

QuellePaketBehoben in
go::GitHub Security Advisory Gocode.gitea.io/gitea1.26.3
rapidfort alpine 3.20gitea1.27.1-r0
rapidfort alpine 3.21gitea1.27.1-r0
rapidfort alpine 3.22gitea1.27.1-r0
rapidfort alpine 3.23gitea1.27.1-r0
rapidfort alpine 3.24gitea1.27.1-r0

Referenzen

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.