CVE-2026-77089: Commvault

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Command Center API contained an authentication bypass issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update Command Center.

Affected products

• Commvault Commvault: from 11.36.0, before 11.36.123 (fixed in 11.36.123); from 11.40.0, before 11.40.72 (fixed in 11.40.72); from 11.44.0, before 11.44.20 (fixed in 11.44.20); from 11.46.0, before 11.46.20 (fixed in 11.46.20)

Published 2026-09-08. Last modified 2026-09-11.