How severe is CVE-2026-31052?

CVE-2026-31052 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-31052 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-31052?

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

Does CVE-2026-31052 have an EU (EUVD) identifier?

Yes. CVE-2026-31052 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25424.

When was CVE-2026-31052 published?

CVE-2026-31052 was published on 2026-04-24 and last updated on 2026-06-17.

CVE-2026-31052

CVE-2026-31052 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25424
Weakness: CWE-400
Published: 2026-04-24
Last modified: 2026-06-17

Description

An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to cause a denial of service via the Checkout Authentication Flow component

Frequently asked questions

What is CVE-2026-31052?: An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to cause a denial of service via the Checkout Authentication Flow component
How severe is CVE-2026-31052?: CVE-2026-31052 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-31052 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-31052?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-31052 have an EU (EUVD) identifier?: Yes. CVE-2026-31052 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25424.
When was CVE-2026-31052 published?: CVE-2026-31052 was published on 2026-04-24 and last updated on 2026-06-17.

References

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