CVE-2026-28197
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk31th percentile - higher than 31% of all known CVEs
Summary
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.
Risk Assessment
An attacker can gain full control over the NetBackup Flex appliance, compromising the confidentiality, integrity, and availability of all data and services.
Recommendation
Update NetBackup Flex software to the latest version that fixes this vulnerability, and restrict access to the management shell.
Other vulnerabilities in NetBackup Flex
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS