NVD security advisoryHigh
High advisory for Tanium addressed an improper certificate
CVE-2026-121565 · Reported 3 Nov 2026
Full advisory details, affected packages, severity context, and original source.
Affected technology
Tanium addressed an improper certificateAffected product
Advisory overview
Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.