How severe is CVE-2026-12066?

CVE-2026-12066 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-12066 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.

How do I fix CVE-2026-12066?

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-2026-12066 have an EU (EUVD) identifier?

Yes. CVE-2026-12066 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36423.

When was CVE-2026-12066 published?

CVE-2026-12066 was published on 2026-06-12 and last updated on 2026-06-17.

CVE-2026-12066

CVE-2026-12066 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. 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-640.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36423
Weakness: CWE-640
Published: 2026-06-12
Last modified: 2026-06-17

Description

A security flaw has been discovered in PbootCMS up to 3.2.12. This vulnerability affects the function retrieve of the file apps/home/controller/MemberController.php of the component Password Handler. The manipulation of the argument username/password/email/checkcode results in weak password recovery. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Frequently asked questions

What is CVE-2026-12066?: A security flaw has been discovered in PbootCMS up to 3.2.12. This vulnerability affects the function retrieve of the file apps/home/controller/MemberController.php of the component Password Handler. The manipulation of the argument username/password/email/checkcode results in weak password recovery. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
How severe is CVE-2026-12066?: CVE-2026-12066 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-12066 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.
How do I fix CVE-2026-12066?: 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-2026-12066 have an EU (EUVD) identifier?: Yes. CVE-2026-12066 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36423.
When was CVE-2026-12066 published?: CVE-2026-12066 was published on 2026-06-12 and last updated on 2026-06-17.

References

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