CVE-2026-34847: Hoppscotch

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Hoppscotch Hoppscotch: before 2026.3.0 (fixed in 2026.3.0)

Published 2026-04-02. Last modified 2026-07-24.