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

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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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

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:

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

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

Link: CVE-2026-34932

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-34932

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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