CVE-2026-34848
CWE-79Published: April 2, 2026· Updated: Apr 3, 2026
Official 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.
Technical Analysis
CVE-2026-34848 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-34848 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts