Medium severity · published Apr 2, 2026
CVE-2026-34848
hoppscotch: Stored XSS in team member overflow tooltip via display name
5.4
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HO
hoppscotch · hoppscotch
< 2026.3.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-34848
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-34848
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
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