CVE-2026-34847

hoppscotch: Open redirect via `/enter?redirect=`

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

hoppscotch

CVSS v3.1 NVD

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 GITHUB

4.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

EPSS

0.46% chance of exploitation in the next 30 days, 38th percentile

Nuclei

medium · CWE-601

Published

2026-04-02

Updated

2026-04-03

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-34847.yaml

Security advisories

• hoppscotch/hoppscotch/security/advisories/GHSA-27pm-c9ch-746q
• hoppscotch/hoppscotch/releases/tag/2026.3.0

References

• CVE Record
• NVD entry