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VulnerabilitycriticalExploited in the wild

Critical Gitea Docker Bug Under Active Exploitation Exposes Repositories and Secrets

Security Affairsby @securityaffairs ()2 min read3
Analyze CVE-2026-20896 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

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CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-20896
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…
9.83%PoC

From the original article

2 min read at securityaffairs.com

Attackers are exploiting a critical Gitea flaw (CVE-2026-20896) that bypasses authentication with a single HTTP header, exposing repositories and sensitive data. Sysdig researchers warn that attackers are actively exploiting a critical authentication bypass flaw, tracked as CVE-2026-20896 (CVSS score of 9. 8), which affects Gitea official Docker images before version 1.

Security Affairs

By @securityaffairs · securityaffairs.com

Read the full article at Security Affairs

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