Vulnerability in Tanium Connect

CVE-2026-12139

Tanium addressed an information disclosure vulnerability in Connect.

EPSS: 0.001 (1.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Tanium Connect — versions 5.29.251, 5.37.156, 5.47.112

Weakness classification (CWE)

CWE-214

References

3938794e-25f5-4123-a1ba-5cbd7f104512 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-12139?: CVE-2026-12139 is a medium-severity vulnerability in Tanium Connect, classified under CWE-214. CVSS score: 4.4/10. Published 2026-07-21.
How severe is CVE-2026-12139?: Medium severity. CVSS v3 base score is 4.4 out of 10.