CVE-2026-77099
Received Received - Intake

Input Validation Flaw in CVFS Allows Command Execution

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Commvault

Description
CVFS contained an input validation issue affecting command execution. Software customers upgrade to resolved maintenance release. Update CVFS.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
CVE-2026-77099
EUVD
EUVD-2026-98761

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
Commvault Commvault Cloud 11.46.0
Commvault Commvault Cloud 11.44.0
Commvault Commvault Cloud 11.40.0
Commvault Commvault Cloud 11.36.0
Commvault Grid(HSX) CVFS 5.0.1.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

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Executive Summary

CVFS had an input validation flaw that allowed improper command execution. This could let attackers run unauthorized commands on affected systems.

Impact Analysis

An attacker could exploit this to execute malicious commands, potentially gaining control over the system, stealing data, or disrupting services.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR, HIPAA, or other regulations requiring data protection and access controls.

Mitigation Strategies

Upgrade to the resolved maintenance release of CVFS as advised by the vendor to address the input validation issue affecting command execution.

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