Command Center API Authentication Bypass

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-77089
StatePUBLISHED
AssignerCommvault
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-08 13:17:25 UTC
Updated2026-09-11 14:25:43 UTC
DescriptionCommand Center API contained an authentication bypass issue affecting privilege management. Software customers upgrade to resolved maintenance release. Update Command Center.

Risk And Classification

Primary CVSS: v4.0 9.3 CRITICAL from 050066fd-a2f9-4f32-ab5d-4c53f48bc333

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.003300000 probability, percentile 0.258270000 (date 2026-09-09)

Problem Types: CWE-290 | CWE-290: Authentication Bypass by Spoofing | CWE-290 CWE-290 Authentication Bypass by Spoofing

VersionSourceTypeScoreSeverityVector
4.0050066fd-a2f9-4f32-ab5d-4c53f48bc333Secondary9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Commvault Commvault All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Commvault Commvault Cloud affected 11.46.0 11.46.19 custom Windows, Linux
CNA Commvault Commvault Cloud affected 11.44.0 11.44.19 custom Windows, Linux
CNA Commvault Commvault Cloud affected 11.40.0 11.40.71 custom Windows, Linux
CNA Commvault Commvault Cloud affected 11.36.0 11.36.122 custom Windows, Linux

References

ReferenceSourceLinkTags
documentation.commvault.com/securityadvisories/CV_2026_07_1.html 050066fd-a2f9-4f32-ab5d-4c53f48bc333 documentation.commvault.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase. (en)

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