CVE-2025-8129 KoaJS Koa HTTP Header response.js back redirect

A vulnerability, which was classified as problematic, was found in KoaJS Koa up to 3.0.0. Affected is the function back in the library lib/response.js of the component HTTP Header Handler. The manipulation of the argument Referrer leads to open redirect. It is possible to launch the attack...

CVE-2025-8129

CVE-2025-8129 affects Koa (Koa up to v3.0.0). The vulnerability lies in lib/response.js where manipulation of Referrer can trigger an open redirect. Exploitation is remote and the exploit has been disclosed publicly. Remediation per public sources is to upgrade Koa to a version that contains the ...