How severe is CVE-2026-42286?

CVE-2026-42286 has a CVSS 4.0 base score of 8.4, rated high severity.

Is CVE-2026-42286 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42286?

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

Does CVE-2026-42286 have an EU (EUVD) identifier?

Yes. CVE-2026-42286 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28841.

When was CVE-2026-42286 published?

CVE-2026-42286 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-42286

CVE-2026-42286 is a high-severity vulnerability with a CVSS 4.0 base score of 8.4. 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-352.

Key facts

Severity: High (CVSS 4.0 base score 8.4)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28841
Weakness: CWE-352
Published: 2026-05-08
Last modified: 2026-06-17

Description

Emlog is an open source website building system. Prior to version 2.6.11, missing CSRF protection in critical admin functions allows attackers to trick authenticated administrators into performing unauthorized actions like system registration, plugin management, and configuration changes. This issue has been patched in version 2.6.11.

Frequently asked questions

What is CVE-2026-42286?: Emlog is an open source website building system. Prior to version 2.6.11, missing CSRF protection in critical admin functions allows attackers to trick authenticated administrators into performing unauthorized actions like system registration, plugin management, and configuration changes. This issue has been patched in version 2.6.11.
How severe is CVE-2026-42286?: CVE-2026-42286 has a CVSS 4.0 base score of 8.4, rated high severity.
Is CVE-2026-42286 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42286?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-42286 have an EU (EUVD) identifier?: Yes. CVE-2026-42286 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28841.
When was CVE-2026-42286 published?: CVE-2026-42286 was published on 2026-05-08 and last updated on 2026-06-17.

References

https://github.com/emlog/emlog/security/advisories/GHSA-cqqp-rx28-gv2q

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