CVE-2026-25644 DataHub's LDAP Ingestion Source vulnerable to MITM attack through TLS downgrade

What is CVE-2026-25644?

CVE-2026-25644 is a high-severity vulnerability in datahub-project datahub, published on 6 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-295

Which versions are affected by CVE-2026-25644?

It affects 1 product.

Products include Datahub Datahub.

How do I fix CVE-2026-25644?

No fix has been published for CVE-2026-25644 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-25644 being exploited?

There is no known exploitation of CVE-2026-25644 in the wild and no public exploit code.

Other vulnerabilities in datahub-project datahub

• CVE-2022-39366 DataHub missing JWT signature check Critical 9.9
• CVE-2023-25559 System account impersonation in DataHub High 8.2
• CVE-2023-25560 JSON Injection in DataHub High 8.2
• CVE-2023-25557 Server-Side Request Forgery in DataHub High 7.5
• CVE-2023-25562 Failure to Invalidate Session on Logout in DataHub Medium 6.9

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-j34h-x7qg-4qw5.