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9.3

Commvault CVFS may execute unwanted commands

CVE-2026-77099 · published 1 day ago
Summary

The CVFS component used in Commvault Cloud and Commvault Grid can run commands that were not intended because it does not properly check input. This could let an attacker make the system perform actions on your behalf. Upgrade to the latest maintenance release of CVFS as soon as possible to fix the problem.

What to do
  • Update commvault commvault cloud to version 11.46.30.
  • Update commvault grid(hsx) cvfs to version 5.0.14.5.
Affected software
VendorProductAffected versions
commvault commvault cloud <= 11.46.29
Fix: upgrade to 11.46.30
commvault grid(hsx) cvfs <= 5.0.14.4
Fix: upgrade to 5.0.14.5
Original advisory text
CVFS Command Execution
CVFS contained an input validation issue affecting command execution. Software customers upgrade to resolved maintenance release. Update CVFS.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.3 Critical
Type
CWE-78OS Command Injection
Timeline
Published13 Oct 2026
Updated14 Oct 2026
First seen13 Oct 2026
Sources
CVE-2026-77099 · NVD
CVE-2026-77099 · MITRE
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