bleeping-computer Jul 10, 2026 · Crawled Jul 10, 2026

Hackers exploit critical auth bypass in Gitea Docker image

1 CVEs

AI Summary

Hackers are actively exploiting a critical authentication bypass vulnerability, CVE-2026-20896, in the official Gitea Docker image. The flaw allows unauthenticated attackers to impersonate any user, including administrators, by spoofing the X-WEBAUTH-USER header when reverse proxy settings are misconfigured. The vulnerability affects Gitea Docker images up to version 1.26.2 in default configurations, and exploitation has already been observed in the wild. Singapore’s Cybersecurity Agency (CSA) has issued a warning, urging users to upgrade to patched versions 1.26.3 or 1.26.4.

AI-extracted · verify before operational use

Extracted Entities 1 found

CVE CVE-2026-20896 →

MITRE ATT&CK TTPs 5 techniques

T1059 Command and Scripting Interpreter · Execution T1078.002 Domain Accounts · Defense Evasion T1087.003 Email Account · Discovery T1195.001 Compromise Software Dependencies and Development Tools · Initial Access T1555 Credentials from Password Stores · Credential Access