Commvault up to 11.36.113/11.40.62/11.44.10/11.46.9 Commserve authorization

Summaryinfo

A vulnerability was found in Commvault up to 11.36.113/11.40.62/11.44.10/11.46.9. It has been classified as very critical. Affected is an unknown function of the component Commserve/Webserver/Command Center/Media Agents/Clients/HyperScale X. This manipulation causes authorization. This vulnerability is tracked as CVE-2026-13737. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Commvault up to 11.36.113/11.40.62/11.44.10/11.46.9 and classified as very critical. Affected by this vulnerability is an unknown code block of the component Commserve/Webserver/Command Center/Media Agents/Clients/HyperScale X. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at documentation.commvault.com. This vulnerability is known as CVE-2026-13737 since 06/29/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/11/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Commvault

Version

• 11.36.113
• 11.40.0
• 11.40.1
• 11.40.2
• 11.40.3
• 11.40.4
• 11.40.5
• 11.40.6
• 11.40.7
• 11.40.8
• 11.40.9
• 11.40.10
• 11.40.11
• 11.40.12
• 11.40.13
• 11.40.14
• 11.40.15
• 11.40.16
• 11.40.17
• 11.40.18
• 11.40.19
• 11.40.20
• 11.40.21
• 11.40.22
• 11.40.23
• 11.40.24
• 11.40.25
• 11.40.26
• 11.40.27
• 11.40.28
• 11.40.29
• 11.40.30
• 11.40.31
• 11.40.32
• 11.40.33
• 11.40.34
• 11.40.35
• 11.40.36
• 11.40.37
• 11.40.38
• 11.40.39
• 11.40.40
• 11.40.41
• 11.40.42
• 11.40.43
• 11.40.44
• 11.40.45
• 11.40.46
• 11.40.47
• 11.40.48
• 11.40.49
• 11.40.50
• 11.40.51
• 11.40.52
• 11.40.53
• 11.40.54
• 11.40.55
• 11.40.56
• 11.40.57
• 11.40.58
• 11.40.59
• 11.40.60
• 11.40.61
• 11.40.62
• 11.44.0
• 11.44.1
• 11.44.2
• 11.44.3
• 11.44.4
• 11.44.5
• 11.44.6
• 11.44.7
• 11.44.8
• 11.44.9
• 11.44.10
• 11.46.0
• 11.46.1
• 11.46.2
• 11.46.3
• 11.46.4
• 11.46.5
• 11.46.6
• 11.46.7
• 11.46.8
• 11.46.9

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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