Skip to content
CommVault SystemsCVE-2026-77089

Commvault Cloud: authentication bypass

Critical9.3CVE-2026-77089 · Published Sep 8, 2026 · updated Sep 11, 2026

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

CommVault Systems advisory

Affected versions

PackageAffectedFixed in
Commvault Cloud
Product
>= 11.46.0, <= 11.46.19No fix yet
>= 11.44.0, <= 11.44.19No fix yet
>= 11.40.0, <= 11.40.71No fix yet
>= 11.36.0, <= 11.36.122No fix yet
Details and references
CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-290

More CommVault Systems advisories

All CommVault Systems
Advisory
Commvault Cloud: authentication bypass
High8.7Sep 8
Commvault Cloud: path traversal
High8.3Sep 8
Commvault Cloud: improper signature check
High8.7Sep 8
Commvault Cloud: missing authorization
High7.7Sep 8
Commvault Cloud: path traversal
High8.5Sep 8
Commvault Cloud: unsafe deserialization
High7.3Sep 8

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.

Double opt-in. Unsubscribe any time.