TLS Downgrade Vulnerability in DataHub Metadata Platform
CVE-2026-25644

7.5HIGH

Key Information:

Vendor

Datahub-project

Status
Datahub
Vendor
CVE Published:
6 February 2026

What is CVE-2026-25644?

The open-source metadata platform DataHub was found to be susceptible to a vulnerability that allows for man-in-the-middle (MITM) attacks due to a TLS downgrade mechanism in its LDAP ingestion source. This flaw permits an attacker to intercept and potentially manipulate communications by downgrading secure connections to a less secure state. Users are advised to upgrade to version 1.3.1.8 or later to mitigate these risks and enhance the security posture of their deployments.

Affected Version(s)

datahub < 1.3.1.8

References

https://github.com/datahub-project/datahub/security/advis...
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.