CVE-2026-34848 PUBLISHED

hoppscotch: Stored XSS in team member overflow tooltip via display name

Assigner: GitHub_M
Reserved: 30.03.2026 Published: 02.04.2026 Updated: 03.04.2026

hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is a stored XSS vulnerability in the team member overflow tooltip via display name. This issue has been patched in version 2026.3.0.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS Score: 5.4

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	hoppscotch
Product	hoppscotch
Versions	Version < 2026.3.0 is affected

References

https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-vw93-4m6p-ccm9
https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE