CVE-2026-25779: Gitea: Open Redirect via redirect_to

June 17, 2026

Phishing: Attackers can use trusted domain links to redirect victims to credential-harvesting pages
OAuth/SSO Token Theft: In authentication flows, authorization codes or tokens may leak via redirect
Referer Leakage: Sensitive URL parameters may be exposed to attacker domains via the Referer header
Cache Poisoning: In deployments with shared caches, malicious redirects may be cached and served to other users

References

github.com/advisories/GHSA-j5r2-4c8j-xc3m
github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m
nvd.nist.gov/vuln/detail/CVE-2026-25779

Code Behaviors & Features

Detect and mitigate CVE-2026-25779 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →