What is CVE-2026-25644?

CVE-2026-25644 is a high-severity vulnerability in Datahub-project Datahub, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2026-02-06.

How severe is CVE-2026-25644?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Datahub-project Datahub

CVE-2026-25644

DataHub is an open-source metadata platform. Prior to version 1.3.1.8, the LDAP ingestion source is vulnerable to MITM attack through TLS downgrade. This issue has been patched in version 1.3.1.8.

Vulnerability class: Improper Certificate Validation

EPSS: 0.000 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Datahub-project Datahub — versions < 1.3.1.8

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

https://github.com/datahub-project/datahub/security/advisories/GHSA-j34h-x7qg-4qw5 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-25644?: CVE-2026-25644 is a high-severity vulnerability in Datahub-project Datahub, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2026-02-06.
How severe is CVE-2026-25644?: High severity. CVSS v3 base score is 7.5 out of 10.