Commvault up to 11.36.126/11.40.77/11.44.24/11.46.29 CommServe null pointer dereference

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Commvault up to 11.36.126/11.40.77/11.44.24/11.46.29. Impacted is an unknown function of the component CommServe/Webserver/Command Center/MediaAgents/Clients/HyperScale. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2026-77095. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Commvault up to 11.36.126/11.40.77/11.44.24/11.46.29. This issue affects an unknown functionality of the component CommServe/Webserver/Command Center/MediaAgents/Clients/HyperScale. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

CvFWD contained a null pointer dereference affecting service availability. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe, Webserver, Command Center, MediaAgents, Clients and HyperScale.

It is possible to read the advisory at documentation.commvault.com. The identification of this vulnerability is CVE-2026-77095 since 08/20/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• Commvault

Version

• 11.36.126
• 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
• 11.40.63
• 11.40.64
• 11.40.65
• 11.40.66
• 11.40.67
• 11.40.68
• 11.40.69
• 11.40.70
• 11.40.71
• 11.40.72
• 11.40.73
• 11.40.74
• 11.40.75
• 11.40.76
• 11.40.77
• 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
• 11.44.11
• 11.44.12
• 11.44.13
• 11.44.14
• 11.44.15
• 11.44.16
• 11.44.17
• 11.44.18
• 11.44.19
• 11.44.20
• 11.44.21
• 11.44.22
• 11.44.23
• 11.44.24
• 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
• 11.46.10
• 11.46.11
• 11.46.12
• 11.46.13
• 11.46.14
• 11.46.15
• 11.46.16
• 11.46.17
• 11.46.18
• 11.46.19
• 11.46.20
• 11.46.21
• 11.46.22
• 11.46.23
• 11.46.24
• 11.46.25
• 11.46.26
• 11.46.27
• 11.46.28
• 11.46.29

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