CVE-2026-77104: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Commvault Commvault Cloud
CommServe contained a path traversal issue affecting information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.
AI Analysis
Technical Summary
This vulnerability (CWE-22) involves improper limitation of a pathname to a restricted directory in Commvault Commvault Cloud's CommServe. It enables an attacker to perform path traversal, potentially disclosing sensitive information. The CVSS 4.0 score is 8.3, indicating a high severity with network attack vector, high complexity, and partial impact on confidentiality and integrity. The vendor recommends upgrading to a maintenance release that resolves the issue.
Potential Impact
The vulnerability allows unauthorized disclosure of information by bypassing directory restrictions via path traversal. This can lead to exposure of sensitive data stored within restricted directories of the affected software versions.
Mitigation Recommendations
The vendor advises customers to upgrade CommServe to a resolved maintenance release. No specific patch links or remediation levels are provided, so customers should consult the vendor's official advisory for the exact fixed versions and upgrade instructions. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-77104: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Commvault Commvault Cloud
Description
CommServe contained a path traversal issue affecting information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.
CVSS v4.0
Score 8.3high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-22) involves improper limitation of a pathname to a restricted directory in Commvault Commvault Cloud's CommServe. It enables an attacker to perform path traversal, potentially disclosing sensitive information. The CVSS 4.0 score is 8.3, indicating a high severity with network attack vector, high complexity, and partial impact on confidentiality and integrity. The vendor recommends upgrading to a maintenance release that resolves the issue.
Potential Impact
The vulnerability allows unauthorized disclosure of information by bypassing directory restrictions via path traversal. This can lead to exposure of sensitive data stored within restricted directories of the affected software versions.
Mitigation Recommendations
The vendor advises customers to upgrade CommServe to a resolved maintenance release. No specific patch links or remediation levels are provided, so customers should consult the vendor's official advisory for the exact fixed versions and upgrade instructions. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Commvault
- Date Reserved
- 2026-08-20T10:57:52.110Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa0019bacd9273b49a6cf4d
Added to database: 09/08/2026, 12:37:47 UTC
Last enriched: 09/08/2026, 12:52:34 UTC
Last updated: 09/09/2026, 01:11:40 UTC
Views: 13
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