How severe is CVE-2026-40793?

CVE-2026-40793 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-40793 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40793?

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

Does CVE-2026-40793 have an EU (EUVD) identifier?

Yes. CVE-2026-40793 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36996.

When was CVE-2026-40793 published?

CVE-2026-40793 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-40793

CVE-2026-40793 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36996
Weakness: CWE-862
Published: 2026-06-15
Last modified: 2026-06-17

Description

Subscriber Broken Access Control in Groundhogg < 4.4.1 versions.

Frequently asked questions

What is CVE-2026-40793?: Subscriber Broken Access Control in Groundhogg < 4.4.1 versions.
How severe is CVE-2026-40793?: CVE-2026-40793 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-40793 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-40793?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40793 have an EU (EUVD) identifier?: Yes. CVE-2026-40793 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36996.
When was CVE-2026-40793 published?: CVE-2026-40793 was published on 2026-06-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/groundhogg/vulnerability/wordpress-groundhogg-plugin-4-4-1-broken-access-control-vulnerability?_s_id=cve

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