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CVE-2026-77089

CRITICAL
9.8NVD

Summary

generated automatically from NVD data

Commvault's Command Center API has an authentication bypass flaw that affects privilege management, classified as CWE-290 (authentication bypass by spoofing). The issue can be reached over the network without privileges or user interaction, and could compromise the confidentiality, integrity and availability of the system. It is rated CRITICAL with a CVSS v3.1 score of 9.8, and the description advises customers to upgrade to the resolved maintenance release and update Command Center.

NVD 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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EPSS · FIRST.org

0.61%probability of exploitation in the next 30 days

Higher than 48% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.

In-depth analysis on cveo.tech

We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.

CVSS v3.1 Score

9.8
/ 10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Information

Published
8 sept. 2026
Updated
11 sept. 2026
Status
Analyzed
Source
050066fd-a2f9-4f32-ab5d-4c53f48bc333

Affected products

commvault commvault
Versions : 11.36.123, 11.40.72, 11.44.20, 11.46.20

Weaknesses (CWE)

CWE-290

Similar CVEs

Other vulnerabilities of type CWE-290

…

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