How severe is CVE-2026-4514?

CVE-2026-4514 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-4514 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4514?

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

Does CVE-2026-4514 have an EU (EUVD) identifier?

Yes. CVE-2026-4514 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14248.

When was CVE-2026-4514 published?

CVE-2026-4514 was published on 2026-03-21 and last updated on 2026-06-17.

CVE-2026-4514

CVE-2026-4514 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. 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-266.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14248
Weakness: CWE-266
Published: 2026-03-21
Last modified: 2026-06-17

Description

A flaw has been found in PbootCMS up to 3.2.12. Affected by this issue is some unknown functionality of the file apps/admin/controller/system/UserController.php of the component Backend. Executing a manipulation of the argument Field can lead to improper access controls. The attack may be performed from remote. The exploit has been published and may be used.

Frequently asked questions

What is CVE-2026-4514?: A flaw has been found in PbootCMS up to 3.2.12. Affected by this issue is some unknown functionality of the file apps/admin/controller/system/UserController.php of the component Backend. Executing a manipulation of the argument Field can lead to improper access controls. The attack may be performed from remote. The exploit has been published and may be used.
How severe is CVE-2026-4514?: CVE-2026-4514 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-4514 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4514?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4514 have an EU (EUVD) identifier?: Yes. CVE-2026-4514 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14248.
When was CVE-2026-4514 published?: CVE-2026-4514 was published on 2026-03-21 and last updated on 2026-06-17.

References

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