CVE-2026-13738
Received Received - Intake

Authorization Bypass in CommServe Command Execution

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Commvault

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.

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Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
CVE-2026-13738
EUVD
EUVD-2026-56002

Affected Vendors & Products

Showing 9 associated CPEs
Vendor Product Version / Range
commvault commserve From 11.46.10 (inc)
commvault commserve From 11.44.11 (inc)
commvault commserve From 11.40.63 (inc)
commvault commserve From 11.36.114 (inc)
commvault webserver *
commvault command_center *
commvault media_agents *
commvault clients *
commvault hyperscale_x *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

CommServe had an authorization bypass flaw that allowed unauthorized command execution operations. This means attackers could potentially run commands without proper permissions.

Detection Guidance

Check Commvault versions against patched releases (11.46.10+, 11.44.11+, 11.40.63+, 11.36.114+). Log into Command Center, go to Servers section, filter by role, and verify all servers are updated.

Impact Analysis

An attacker could exploit this to execute unauthorized commands on your system, potentially leading to data breaches, system compromise, or unauthorized access to sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations due to potential exposure of personal or sensitive data.

Mitigation Strategies

Upgrade all Commvault installations (CommServe, Webserver, Command Center, Media Agents, Clients, HyperScale X) to the latest patched versions immediately.

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