CVE-2026-25644CWE-295

DataHub's LDAP Ingestion Source vulnerable to MITM attack through TLS downgrade

High · published February 6, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
37.0
In the wild
Unconfirmed
What it is

⚡ An LDAP ingestion source in DataHub could be tricked into a TLS downgrade, exposing it to a man-in-the-middle attack—no one wants to be deceived like that! 🔥 Think of it like a telephone call where someone impersonates the operator and forces your conversation onto a less secure line. Suddenly, your private discussion is up for grabs by eavesdroppers! If exploited, an attacker could intercept sensitive metadata during the LDAP ingestion process, potentially leading to unauthorized access or data leakage. This could compromise the integrity of your entire metadata platform, exposing it to malicious actors who could manipulate or destroy critical information.

Put simply

Think of it like a telephone call where someone impersonates the operator and forces your conversation onto a less secure line. Suddenly, your private discussion is up for grabs by eavesdroppers! This vulnerability allows a man-in-the-middle attack due to a TLS downgrade in the LDAP ingestion source, which could allow attackers to intercept and manipulate the data being exchanged between the client and the server before version 1.3.1.8.

What to do

If exploited, an attacker could intercept sensitive metadata during the LDAP ingestion process, potentially leading to unauthorized access or data leakage. This could compromise the integrity of your entire metadata platform, exposing it to malicious actors who could manipulate or destroy critical information. To protect your DataHub instance, upgrade to version 1.3.1.8 immediately. Additionally, review your TLS configurations to ensure they reject insecure protocols. Regularly audit your system for any outdated components that could be susceptible to similar attacks. You've got this! Follow these steps, and you'll have your metadata platform secured in no time. 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00438 · 37.0th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2026-02-06T22:40Z
EPSS history
Timeline
  • 06 FEB 22:40Z
    DataHub's LDAP Ingestion Source vulnerable to MITM attack through TLS downgrade
    cvelistv5