CVE-2026-34848

low-risk

Published 2026-04-02

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.

Do I need to act?

0.03% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.4/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Hoppscotch

Affected Vendors

Hoppscotch

References (2)

Release Notes https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0

Vendor Advisory https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-vw93-4m6p-ccm9

/ 100

low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal