CommServe contained a cryptographic signature verification issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update CommServe and Web Server.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Commvault Commvault Cloud unknown
Version Status Constraints
11.46.0 affected ≤ 11.46.19
11.44.0 affected ≤ 11.44.19
11.40.0 affected ≤ 11.40.71
11.36.0 affected ≤ 11.36.122

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://documentation.commvault.com/securityadvisories/CV_2026_08_7.html cve-icon cve-icon
History

Tue, 08 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-347
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 08 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285

Tue, 08 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
Description CommServe contained a cryptographic signature verification issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update CommServe and Web Server.
Title CommServe Privilege Escalation
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Commvault

Published:

Updated: 2026-09-08T13:26:13.074Z

Reserved: 2026-08-20T10:58:02.223Z

Link: CVE-2026-77105

cve-icon Vulnrichment

Updated: 2026-09-08T13:26:08.417Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-09-08T13:17:26.393

Modified: 2026-09-08T14:17:27.840

Link: CVE-2026-77105

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-08T13:30:18Z

Weaknesses