Command Execution Vulnerability in CVFS by Commvault
CVE-2026-77099

9.3CRITICAL

Key Information:

Vendor

Commvault

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

What is CVE-2026-77099?

CVFS by Commvault suffers from an input validation flaw that can lead to command execution vulnerabilities. This issue requires immediate attention to safeguard against potential exploits. Users are strongly advised to upgrade to the latest maintenance release to ensure their systems are secure and functioning correctly. For detailed instructions and updates, please refer to the official Commvault security advisory.

Affected Version(s)

Commvault Cloud Linux 11.46.0 <= 11.46.29

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:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
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.
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