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CVE PROGRAM SOURCE RECORD9.4 Critical

CVE-2026-28197

Privilege Escalation via Argument Injection in NetBackup Flex OS Shell

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cohesity NetBackup Flex OS

Default version status: unaffected

  • 0 to < 6.4affected

References