Vulnerability intelligence

CVE-2026-20896

Gitea Gitea Open Source Git Server CWE-284

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.

CVSS Score

9.8

Critical

EPSS — Exploit Probability

2.8%

Riskier than 86% of all CVEs · checked 2026-09-22

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

Patch available

Vendor fix published

NVD entry Vendor patch PoC / advisory

5 articles across 4 outlets · first covered Jun 25, 2026 · latest Aug 26, 2026

Coverage timeline

CISA Warns of Exploited Gitea Flaw CVE-2026-60004 Patch by Aug 28
www.securityweek.com · Aug 26, 2026
CVE-2026-20896: Gitea Docker flaw lets attackers bypass auth
securityaffairs.com · Jul 7, 2026
Critical Gitea Flaw Under Active Exploitation, Researchers Warn
www.securityweek.com · Jul 7, 2026
Attackers Exploit New Gitea Docker Bug CVE-2026-20896
thehackernews.com · Jul 6, 2026
Gitea auth flaw lets attackers hijack admin accounts via SSRF
securityonline.info · Jun 25, 2026

Related CVEs — Gitea

CVE-2026-60004KEV CVE-2026-58443 CVE-2026-22874 CVE-2026-27771