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

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