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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

CommVault SystemsCVE-2026-77103

Commvault Cloud: authentication bypass

CommVault Systems

CVE-2026-77103 · Published Sep 8, 2026 · updated Sep 9, 2026

High8.7
No fix yet
CommVault Systems advisory

CommServe contained an authentication bypass issue affecting access authorization and information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.

Affected versions

PackageAffectedFixed in
Commvault Cloud
Product
>= 11.46.0, <= 11.46.19No fix yet
>= 11.44.0, <= 11.44.19No fix yet
>= 11.40.0, <= 11.40.71No fix yet
>= 11.36.0, <= 11.36.122No fix yet
Details and references
CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-288

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