hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, the /enter page contains a DOM-based open redirect vulnerability. The redirect query parameter is directly used to construct a URL and redirect the user without proper validation. This issue has been patched in version 2026.3.0.
https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-27pm-c9ch-746q
https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0