How severe is CVE-2026-34848?

CVE-2026-34848 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-34848 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34848?

CVE-2026-34848 affects Hoppscotch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34848?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-34848 have an EU (EUVD) identifier?

Yes. CVE-2026-34848 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18536.

When was CVE-2026-34848 published?

CVE-2026-34848 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-34848

CVE-2026-34848 is a medium-severity vulnerability in Hoppscotch with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18536
Weakness: CWE-79
Affected product: Hoppscotch
Published: 2026-04-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-34848?: 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.
How severe is CVE-2026-34848?: CVE-2026-34848 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-34848 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34848?: CVE-2026-34848 affects Hoppscotch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34848?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34848 have an EU (EUVD) identifier?: Yes. CVE-2026-34848 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18536.
When was CVE-2026-34848 published?: CVE-2026-34848 was published on 2026-04-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hoppscotch:hoppscotch:*:*:*:*:*:*:*:*

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