How severe is CVE-2026-34932?

CVE-2026-34932 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-34932 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34932?

CVE-2026-34932 affects Hoppscotch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34932?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-34932 have an EU (EUVD) identifier?

Yes. CVE-2026-34932 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18540.

When was CVE-2026-34932 published?

CVE-2026-34932 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-34932

CVE-2026-34932 is a critical-severity vulnerability in Hoppscotch with a CVSS 3.x base score of 9.3. 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: Critical (CVSS 3.x base score 9.3)
CVSS v4: 8.5
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18540
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 that can lead to CSRF. This issue has been patched in version 2026.3.0.

Frequently asked questions

What is CVE-2026-34932?: hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is a stored XSS vulnerability that can lead to CSRF. This issue has been patched in version 2026.3.0.
How severe is CVE-2026-34932?: CVE-2026-34932 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-34932 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34932?: CVE-2026-34932 affects Hoppscotch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34932?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-34932 have an EU (EUVD) identifier?: Yes. CVE-2026-34932 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18540.
When was CVE-2026-34932 published?: CVE-2026-34932 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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