CVE-2026-77089

Analyzed Analyzed - Analysis Complete

Authentication Bypass in Command Center API

Publication date: 2026-09-08

Last updated on: 2026-09-11

Assigner: Commvault

Description

Command Center API contained an authentication bypass issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update Command Center.

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Meta Information

Published

2026-09-08

Last Modified

2026-09-11

Generated

2026-11-08

AI Q&A

2026-09-09

EPSS Evaluated

2026-11-07

NVD

CVE-2026-77089

Affected Vendors & Products

Vendor	Product	Version / Range
commvault	commvault	From 11.36.0 (inc) to 11.36.123 (exc)
commvault	commvault	From 11.40.0 (inc) to 11.40.72 (exc)
commvault	commvault	From 11.44.0 (inc) to 11.44.20 (exc)
commvault	commvault	From 11.46.0 (inc) to 11.46.20 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-290	This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Attack-Flow Graph

Executive Summary

CVE-2026-77089 is an authentication bypass vulnerability in the Command Center API of Commvault Software that affects privilege management. It allows unauthorized access to sensitive functions by bypassing normal authentication mechanisms.

Detection Guidance

To detect this vulnerability, check if your Commvault Command Center API is running an affected version (11.46.0 to 11.46.19, 11.44.0 to 11.44.19, 11.40.0 to 11.40.71, or 11.36.0 to 11.36.122). Log into the Command Center, go to Manage > Servers, filter by relevant roles, and verify the server versions on the listing page.

Impact Analysis

This vulnerability can allow attackers to gain unauthorized access to sensitive functions and data, potentially leading to data breaches, privilege escalation, or unauthorized system modifications. It impacts specific versions of Commvault on Linux and Windows platforms.

Mitigation Strategies

Immediately upgrade to a fixed version of Commvault software: 11.46.20 or higher, 11.44.20 or higher, 11.40.72 or higher, or 11.36.123 or higher. This resolves the authentication bypass issue in the Command Center API.

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