How severe is CVE-2025-12738?

CVE-2025-12738 has a CVSS 4.0 base score of 1.3, rated low severity.

Is CVE-2025-12738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12738?

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

Does CVE-2025-12738 have an EU (EUVD) identifier?

Yes. CVE-2025-12738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4156.

When was CVE-2025-12738 published?

CVE-2025-12738 was published on 2026-01-22 and last updated on 2026-06-17.

CVE-2025-12738

CVE-2025-12738 is a low-severity vulnerability with a CVSS 4.0 base score of 1.3. 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-200.

Key facts

Severity: Low (CVSS 4.0 base score 1.3)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4156
Weakness: CWE-200
Published: 2026-01-22
Last modified: 2026-06-17

Description

Neo4j Enterprise edition versions prior to 2025.11.2 and 5.26.17 are vulnerable to a potential information disclosure by an attacker who has some legitimate access to the database. The vulnerability allows attacker without read access to a property to infer information about its value by trying to enumerate all possible values through observing error messages of SET property. We recommend upgrading to 2025.11.2 or 5.26.17 and above, where the issues is fixed.

Frequently asked questions

What is CVE-2025-12738?: Neo4j Enterprise edition versions prior to 2025.11.2 and 5.26.17 are vulnerable to a potential information disclosure by an attacker who has some legitimate access to the database. The vulnerability allows attacker without read access to a property to infer information about its value by trying to enumerate all possible values through observing error messages of SET property. We recommend upgrading to 2025.11.2 or 5.26.17 and above, where the issues is fixed.
How severe is CVE-2025-12738?: CVE-2025-12738 has a CVSS 4.0 base score of 1.3, rated low severity.
Is CVE-2025-12738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12738 have an EU (EUVD) identifier?: Yes. CVE-2025-12738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4156.
When was CVE-2025-12738 published?: CVE-2025-12738 was published on 2026-01-22 and last updated on 2026-06-17.

References

https://neo4j.com/security/CVE-2025-12738

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