CVE-2026-20896

Summary

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.

Affected Software

VendorProductVersion RangeStatus
GiteaGitea Open Source Git Server0 <= 1.26.2affected

Weaknesses

  • CWE-284: CWE-284

References