CVEvulnerability
CVE-2026-20896
9.8 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-07-03
- Last modified
- 2026-10-25
- Assigner
- 88ee5874-cf24-4952-aea0-31affedb7ff2
- CVSS 3.1 (88ee5874-cf24-4952-aea0-31affedb7ff2)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-284
Description
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.
Related
Weakness · CWE (1)
- CWE-284 Improper Access Control weakness
References
- https://blog.gitea.com/release-of-1.26.3-and-1.26.4/ blog.gitea.com
- https://github.com/go-gitea/gitea/pull/38151 github.com
- https://github.com/go-gitea/gitea/releases/tag/v1.26.3 github.com
- https://github.com/go-gitea/gitea/security/advisories/GHSA-f75j-4cw6-rmx4 github.com
- https://github.com/go-gitea/gitea/security/advisories/GHSA-f75j-4cw6-rmx4 github.com