CVE-2026-20896
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server | 0 <= 1.26.2 | affected |
Weaknesses
- CWE-284: CWE-284
References
- https://github.com/go-gitea/gitea/security/advisories/GHSA-f75j-4cw6-rmx4
- https://github.com/go-gitea/gitea/pull/38151
- https://github.com/go-gitea/gitea/releases/tag/v1.26.3
- https://blog.gitea.com/release-of-1.26.3-and-1.26.4/
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