hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is a stored XSS vulnerability that can lead to CSRF. This issue has been patched in version 2026.3.0.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Hoppscotch
  • Hoppscotch

Configuration 1 [-]

cpe:2.3:a:hoppscotch:hoppscotch:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0 cve-icon cve-icon
https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-wj4r-hr4h-g98v cve-icon cve-icon
History

Wed, 15 Apr 2026 17:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:hoppscotch:hoppscotch:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}

Mon, 06 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

 ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 03 Apr 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 03 Apr 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Hoppscotch
Hoppscotch hoppscotch
Vendors & Products Hoppscotch
Hoppscotch hoppscotch

Thu, 02 Apr 2026 20:30:00 +0000

Type Values Removed Values Added
Description hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is a stored XSS vulnerability that can lead to CSRF. This issue has been patched in version 2026.3.0.
Title hoppscotch: Stored XSS via mock server responses on backend origin
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-04-02T19:19:15.697Z

Updated: 2026-04-06T14:07:40.655Z

Reserved: 2026-03-31T17:27:08.659Z

Link: CVE-2026-34932

cve-icon Vulnrichment

Updated: 2026-04-03T15:39:40.363Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-02T20:16:28.973

Modified: 2026-04-15T17:23:38.193

Link: CVE-2026-34932

cve-icon Redhat

No data.