CVE-2026-28197

HighCVSS 8.8/10Last modified Sep 18, 2026

Description

An authenticated, low-privileged user with access to the NetBackup Flex OS management shell could supply a specially crafted input to a privileged administrative command, causing it to execute arbitrary code with root-level permissions. Successful exploitation grants the attacker unrestricted control over the Flex appliance host and all hosted containers, fully compromising confidentiality, integrity, and availability.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-88

Affected software

Vendor	Product	Versions
Cohesity	NetBackup Flex OS	< 6.4

References

Timeline

Published: Sep 18, 2026
Last modified: Sep 18, 2026
NVD status: Deferred

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