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Critical Gitea Flaw Under Active Exploitation, Researchers Warn

SecurityWeek
· July 7, 2026
Vulnerabilities

AI summary

A critical vulnerability in Gitea, identified as CVE-2026-20896, is being actively exploited by attackers. The flaw allows attackers to bypass authentication using a single HTTP header, giving them access to vulnerable repositories and secrets.

Vulnerabilities mentioned

CVE-2026-20896
CRITICAL
CVSS 9.8

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.

Read the full article at SecurityWeekwww.securityweek.com/critical-gitea-flaw-under-active-exploitation-researchers-warn/

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