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CVE-2026-77091: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Commvault Commvault Cloud

0
High
VulnerabilityCVE-2026-77091cvecve-2026-77091cwe-22
Published: 09/08/2026 (09/08/2026, 12:12:53 UTC)
Source: CVE Database V5
Vendor/Project: Commvault
Product: Commvault Cloud

Description

DataCube contained a path traversal issue affecting security feature enforcement. Software customers upgrade to resolved maintenance release. Update Content Extractor and Index Store.

CVSS v4.0

Score 8.5high

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected software

Affected versions
=11.46.0=11.44.0=11.40.0=11.36.011.46.011.44.011.40.011.36.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/08/2026, 12:53:38 UTC

Technical Analysis

This vulnerability in Commvault Cloud's DataCube component allows for path traversal due to improper limitation of a pathname to a restricted directory. The issue affects versions 11.36.0, 11.40.0, 11.44.0, and 11.46.0. The CVSS 4.0 base score is 8.5, indicating high severity, with local attack vector, low attack complexity, no user interaction, and high impact on confidentiality, integrity, and availability. The vendor advises upgrading to a maintenance release that updates the Content Extractor and Index Store to resolve the issue. No official patch or remediation level is explicitly stated, and no known exploits are reported in the wild.

Potential Impact

Successful exploitation could allow an attacker with limited privileges and local access to perform path traversal, potentially bypassing security feature enforcement and accessing or modifying restricted files. The vulnerability has a high impact on confidentiality, integrity, and availability as per the CVSS vector.

Mitigation Recommendations

The vendor recommends upgrading to the resolved maintenance release that updates the Content Extractor and Index Store components. Since no official patch or remediation level is explicitly stated, users should monitor vendor advisories for the specific fixed versions and apply updates accordingly. No known exploits are reported in the wild, reducing immediate urgency but patching is advised to mitigate risk.

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Technical Details

Data Version
5.2
Assigner Short Name
Commvault
Date Reserved
2026-08-20T10:56:58.070Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6aa00199acd9273b49a6cf12

Added to database: 09/08/2026, 12:37:45 UTC

Last enriched: 09/08/2026, 12:53:38 UTC

Last updated: 09/08/2026, 16:30:31 UTC

Views: 5

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