CVE-2026-34847
hoppscotch: Open redirect via `/enter?redirect=`
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.
INFO
Published Date :
April 2, 2026, 8:16 p.m.
Last Modified :
April 15, 2026, 5:27 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update Hoppscotch to the latest version.
- Verify the version is 2026.3.0 or newer.
- Remove or validate the redirect query parameter.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-34847.
| URL | Resource |
|---|---|
| https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0 | Release Notes |
| https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-27pm-c9ch-746q | Exploit Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-34847 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-34847
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-34847 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-34847 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 15, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:hoppscotch:hoppscotch:*:*:*:*:*:*:*:* versions up to (excluding) 2026.3.0 Added Reference Type GitHub, Inc.: https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0 Types: Release Notes Added Reference Type GitHub, Inc.: https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-27pm-c9ch-746q Types: Exploit, Vendor Advisory -
New CVE Received by [email protected]
Apr. 02, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N Added CWE CWE-601 Added Reference https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0 Added Reference https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-27pm-c9ch-746q