Stored XSS Vulnerability in hoppscotch API Development Ecosystem
CVE-2026-34932

8.5HIGH

Key Information:

Vendor

Hoppscotch

Status
Hoppscotch
Vendor
CVE Published:
2 April 2026

What is CVE-2026-34932?

Earlier versions of the hoppscotch API development ecosystem are susceptible to a stored cross-site scripting (XSS) vulnerability, which can facilitate cross-site request forgery (CSRF) attacks. This issue has been resolved in the latest release (version 2026.3.0), ensuring users can operate in a more secure environment. It is crucial for developers and users to upgrade to this version to mitigate potential security risks.

Affected Version(s)

hoppscotch < 2026.3.0

References

https://github.com/hoppscotch/hoppscotch/security/advisor...
x_refsource_CONFIRM
https://github.com/hoppscotch/hoppscotch/releases/tag/202...
x_refsource_MISC

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.