CVE-2026-77106: CWE-862: Missing Authorization in Commvault Commvault Cloud
Description
CVE-2026-77106 is a high-severity vulnerability in Commvault Cloud involving a missing authorization check in the cvlaunchd component. This flaw affects command execution authorization, potentially allowing unauthorized actions. Multiple Commvault components including Commserve, Webserver, Command Center, Media Agents, Clients, and HyperScale X are impacted. Users are advised to upgrade to the resolved maintenance releases to mitigate the issue.
CVSS v4.0
Score 7.7high
Affected software
Commvault
Commvault Cloud
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-77106 (CWE-862) affects the cvlaunchd component of Commvault Cloud, where a missing authorization check allows improper command execution authorization. This issue impacts several Commvault products and versions, specifically versions >=11.36.0 <11.36.123, >=11.40.0 <11.40.72, >=11.44.0 <11.44.20, and >=11.46.0 <11.46.20. The CVSS 4.0 score is 7.7, indicating high severity with network attack vector, high complexity, and partial privileges required. The vendor recommends upgrading all affected Commvault installations to resolved maintenance releases.
Potential Impact
This vulnerability could allow an attacker with limited privileges to execute commands without proper authorization, potentially leading to unauthorized actions within the affected Commvault environment. The impact is significant given the broad range of affected components and the high CVSS score.
Mitigation Recommendations
A fix is available through resolved maintenance releases. Users should update all Commvault installations, including Commserve, Webserver, Command Center, Media Agents, Clients, and HyperScale X, to the fixed versions. Patch status is confirmed by vendor advisory instructions to upgrade to resolved maintenance releases.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Commvault
- Date Reserved
- 2026-08-20T10:58:04.239Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa0019bacd9273b49a6cf56
Added to database: 09/08/2026, 12:37:47 UTC
Last enriched: 09/16/2026, 02:51:33 UTC
Last updated: 10/23/2026, 01:15:27 UTC
Views: 94
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