CVE-2026-28199 PUBLISHED

Sensitive File Disclosure via Relative Path Traversal in NetBackup Flex OS Shell

Assigner: ENISA
Reserved: 25.02.2026 Published: 18.09.2026 Updated: 18.09.2026

An authenticated user with access to the NetBackup Flex OS management shell could read arbitrary files from the underlying operating system by supplying a specially crafted path argument to a diagnostic command. Successful exploitation could expose sensitive system configuration and credential material stored on the appliance.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 4.8

Product Status

Vendor Cohesity
Product NetBackup Flex OS
Versions Default: unaffected
  • affected from 0 to 6.4 (excl.)

Workarounds

Restrict management shell access to authorized administrators only. No compensating control fully eliminates the risk; upgrading is required.

Credits

  • Francesco Caserta (ACN) reporter

References

Problem Types

  • CWE-347 Improper verification of cryptographic signature CWE