Command Execution Vulnerability in CVFS by Commvault
CVE-2026-77096

7.7HIGH

Key Information:

Vendor

Commvault

Status
Commvault Cloud
Grid(hsx) Cvfs
Vendor
CVE Published:
13 October 2026

What is CVE-2026-77096?

A significant vulnerability exists in CVFS due to a missing authentication condition, which allows for unauthorized command execution. Users are strongly advised to upgrade to the latest maintenance release to mitigate potential security risks associated with unpatched versions. Failure to update may leave systems exposed to exploitation.

Affected Version(s)

Commvault Cloud Linux 11.46.0 <= 11.46.39

Commvault Cloud Linux 11.44.0 <= 11.44.24

Commvault Cloud Linux 11.40.0 <= 11.40.77

References

https://documentation.commvault.com/securityadvisories/CV...

CVSS V4

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase.
.