How severe is CVE-2026-4590?

CVE-2026-4590 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-4590 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4590?

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

Does CVE-2026-4590 have an EU (EUVD) identifier?

Yes. CVE-2026-4590 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14445.

When was CVE-2026-4590 published?

CVE-2026-4590 was published on 2026-03-23 and last updated on 2026-06-17.

CVE-2026-4590

CVE-2026-4590 is a low-severity vulnerability with a CVSS 3.x base score of 3.1. 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: Low (CVSS 3.x base score 3.1)
CVSS v2: 2.6
CVSS v4: 1.3
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14445
Weakness: CWE-352
Published: 2026-03-23
Last modified: 2026-06-17

Description

A security flaw has been discovered in kalcaddle kodbox 1.64. The impacted element is an unknown function of the file /workspace/source-code/plugins/oauth/controller/bind/index.class.php of the component loginSubmit API. Performing a manipulation of the argument third results in cross-site request forgery. Remote exploitation of the attack is possible. A high degree of complexity is needed for the attack. The exploitability is regarded as difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-4590?: A security flaw has been discovered in kalcaddle kodbox 1.64. The impacted element is an unknown function of the file /workspace/source-code/plugins/oauth/controller/bind/index.class.php of the component loginSubmit API. Performing a manipulation of the argument third results in cross-site request forgery. Remote exploitation of the attack is possible. A high degree of complexity is needed for the attack. The exploitability is regarded as difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-4590?: CVE-2026-4590 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-4590 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4590?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4590 have an EU (EUVD) identifier?: Yes. CVE-2026-4590 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14445.
When was CVE-2026-4590 published?: CVE-2026-4590 was published on 2026-03-23 and last updated on 2026-06-17.

References

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