CVE-2026-13737: CWE-863: Incorrect Authorization in Commvault Commvault Cloud
CommServe contained an allowlist bypass vulnerability affecting command execution authorization. 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 in Commvault Commvault Cloud's CommServe component allows bypassing an allowlist that controls authorization for command execution. This incorrect authorization flaw could enable unauthorized command execution if exploited. The advisory recommends upgrading all Commvault components to a maintenance release that resolves this issue. No specific patch or fixed version details are provided in the input data. The vulnerability is tracked as CVE-2026-13737 and is classified under CWE-863.
Potential Impact
The vulnerability allows unauthorized command execution due to an allowlist bypass in the authorization mechanism. This could lead to critical security impacts including unauthorized actions within the affected Commvault environment. There are no known exploits in the wild at the time of this report.
Mitigation Recommendations
The vendor recommends 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 fixed version information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-13737: CWE-863: Incorrect Authorization in Commvault Commvault Cloud
Description
CommServe contained an allowlist bypass vulnerability affecting command execution authorization. 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 in Commvault Commvault Cloud's CommServe component allows bypassing an allowlist that controls authorization for command execution. This incorrect authorization flaw could enable unauthorized command execution if exploited. The advisory recommends upgrading all Commvault components to a maintenance release that resolves this issue. No specific patch or fixed version details are provided in the input data. The vulnerability is tracked as CVE-2026-13737 and is classified under CWE-863.
Potential Impact
The vulnerability allows unauthorized command execution due to an allowlist bypass in the authorization mechanism. This could lead to critical security impacts including unauthorized actions within the affected Commvault environment. There are no known exploits in the wild at the time of this report.
Mitigation Recommendations
The vendor recommends 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 fixed version information is provided in the available 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
- 2026-06-29T14:54:15.451Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7b0701bf8831d539a0cbd6
Added to database: 08/11/2026, 11:26:57 UTC
Last enriched: 08/11/2026, 11:57:46 UTC
Last updated: 08/11/2026, 18:43:13 UTC
Views: 6
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