CVE-2026-34848 Details
Description
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.
A stored cross-site scripting vulnerability has been identified in Hoppscotch versions prior to 2026.3.0. The issue resides in the team member overflow tooltip within shared workspaces, where user-controlled display names were rendered as HTML. This allowed a workspace member to inject JavaScript that would execute in the browser of other members interacting with the tooltip. The vulnerability affects Hoppscotch Cloud and self-hosted deployments that expose the shared workspace member stack.
Users can update to Hoppscotch version 2026.3.0 or later, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 3, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0 | [email protected] | Release Notes |
| https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-vw93-4m6p-ccm9 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| hoppscotch hoppscotch | < 2026.3.0 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 15, 2026 | Initial Analysis | [email protected] |
| Apr 2, 2026 | New CVE Received | [email protected] |