CVE-2026-12139

MEDIUM

Published Jul 21, 2026 CWE-214

Description

Tanium addressed an information disclosure vulnerability in Connect.

Is your site exposed to CVE-2026-12139?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-214 CWE-214

References

Other References

https://security.tanium.com/TAN-2026-018

Frequently Asked Questions

What is CVE-2026-12139? +

Tanium addressed an information disclosure vulnerability in Connect. It has a CVSS v3.1 base score of 4.4 (MEDIUM).

How severe is CVE-2026-12139? +

CVE-2026-12139 has a CVSS v3.1 score of 4.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-12139? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-12250 7.9

Invocation of process using visible sensitive information vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Domain Joiner allows Excavation. …

CVE-2020-36771 7.8

CloudLinux CageFS 7.1.1-1 or below passes the authentication token as a command line argument. In some configurations this allows local …

CVE-2024-4254 7.1

The 'deploy-website.yml' workflow in the gradio-app/gradio repository, specifically in the 'main' branch, is vulnerable to secrets exfiltration due to improper …

CVE-2025-5452 6.6

A malicious ACAP application can gain access to admin-level service account credentials used by legitimate ACAP applications, leading to potential …

CVE-2025-32987 6.0

Arctera eDiscovery Platform before 10.3.2, when Enterprise Vault Collection Module is used, places a cleartext password on a command line …

CVE-2025-1333 6.0

IBM MQ Container when used with the IBM MQ Operator LTS 2.0.0 through 2.0.29, MQ Operator CD 3.0.0, 3.0.1, 3.1.0 …