How severe is CVE-2026-22539?

CVE-2026-22539 has a CVSS 4.0 base score of 5.3, rated medium severity.

Is CVE-2026-22539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-22539?

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

Does CVE-2026-22539 have an EU (EUVD) identifier?

Yes. CVE-2026-22539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1191.

When was CVE-2026-22539 published?

CVE-2026-22539 was published on 2026-01-07 and last updated on 2026-06-17.

CVE-2026-22539

CVE-2026-22539 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.3. 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-201.

Key facts

Severity: Medium (CVSS 4.0 base score 5.3)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1191
Weakness: CWE-201
Published: 2026-01-07
Last modified: 2026-06-17

Description

As the service interaction is performed without authentication, an attacker with some knowledge of the protocol could obtain information about the charger via OCPP v1.6.

Frequently asked questions

What is CVE-2026-22539?: As the service interaction is performed without authentication, an attacker with some knowledge of the protocol could obtain information about the charger via OCPP v1.6.
How severe is CVE-2026-22539?: CVE-2026-22539 has a CVSS 4.0 base score of 5.3, rated medium severity.
Is CVE-2026-22539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-22539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22539 have an EU (EUVD) identifier?: Yes. CVE-2026-22539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1191.
When was CVE-2026-22539 published?: CVE-2026-22539 was published on 2026-01-07 and last updated on 2026-06-17.

References

https://cds.thalesgroup.com/en

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