Vulnerability · Published Apr 2, 2026 · Assigned by GitHub_M
CVE-2026-34847hoppscotch: Open redirect via `/enter?redirect=`
Medium 4.7
In plain English
A medium-severity open redirect in hoppscotch from hoppscotch. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.4%top 65.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Nuclei
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| hoppscotch | hoppscotch | < 2026.3.0 |
Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
References
- https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-27pm-c9ch-746q x_refsource_CONFIRM
- https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0 x_refsource_MISC