CVE-2026-13738: CWE-863: Incorrect Authorization in Commvault Commvault Cloud
CommServe contained an authorization bypass vulnerability affecting a limited set of command execution operations. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including Commserve, Webserver, Command Center, Media Agents, Clients and HyperScale X.
AI Analysis
Technical Summary
This vulnerability (CWE-863) in Commvault Commvault Cloud's CommServe allows an attacker to bypass authorization controls for a limited set of command execution operations. The flaw affects specific versions (=11.36.0, =11.40.0, =11.44.0, =11.46.0) and could allow unauthorized command execution. The CVSS 4.0 score is 9.2, indicating critical impact with network attack vector, high complexity, and no privileges or user interaction required. The vendor recommends upgrading all components to a resolved maintenance release, though no direct patch link or advisory is provided in the input.
Potential Impact
The vulnerability enables unauthorized users to bypass authorization checks on certain command execution operations within Commvault Commvault Cloud's CommServe, potentially leading to unauthorized command execution. This could compromise system integrity and control over affected components. The critical CVSS score reflects the high severity of this impact.
Mitigation Recommendations
The vendor advises upgrading all Commvault installations, including CommServe, Webserver, Command Center, Media Agents, Clients, and HyperScale X, to a resolved maintenance release. However, no specific patch or official fix details are provided in the input data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-13738: CWE-863: Incorrect Authorization in Commvault Commvault Cloud
Description
CommServe contained an authorization bypass vulnerability affecting a limited set of command execution operations. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including Commserve, Webserver, Command Center, Media Agents, Clients and HyperScale X.
CVSS v4.0
Score 9.2critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-863) in Commvault Commvault Cloud's CommServe allows an attacker to bypass authorization controls for a limited set of command execution operations. The flaw affects specific versions (=11.36.0, =11.40.0, =11.44.0, =11.46.0) and could allow unauthorized command execution. The CVSS 4.0 score is 9.2, indicating critical impact with network attack vector, high complexity, and no privileges or user interaction required. The vendor recommends upgrading all components to a resolved maintenance release, though no direct patch link or advisory is provided in the input.
Potential Impact
The vulnerability enables unauthorized users to bypass authorization checks on certain command execution operations within Commvault Commvault Cloud's CommServe, potentially leading to unauthorized command execution. This could compromise system integrity and control over affected components. The critical CVSS score reflects the high severity of this impact.
Mitigation Recommendations
The vendor advises upgrading all Commvault installations, including CommServe, Webserver, Command Center, Media Agents, Clients, and HyperScale X, to a resolved maintenance release. However, no specific patch or official fix details are provided in the input data. 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
- 2026-06-29T14:54:16.684Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7b0702bf8831d539a0cbdf
Added to database: 08/11/2026, 11:26:58 UTC
Last enriched: 08/11/2026, 11:57:17 UTC
Last updated: 08/12/2026, 00:51:51 UTC
Views: 25
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