Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass due to the default configuration of REVERSEPROXYTRUSTEDPROXIES allowing all sources. An attacker can gain unauthorized access by sending spoofed reverse-proxy authentication headers such as X-WEBAUTH-USER...

CVE-2026-20896

CVE-2026-20896 affects Gitea Docker images up to and including 1.26.2. The root cause is the default setting REVERSE_PROXY_TRUSTED_PROXIES=*, which can let an attacker impersonate a user when reverse-proxy authentication headers (e.g., X-WEBAUTH-USER) are enabled. Several sources document this, i...