CVE-2026-28197
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.
- Published Sep 18, 2026
- CVSS 9.4 critical
- 0.7% chance of exploitation in the next 30 days (EPSS)