CVE-2026-28199

Summary

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.

Affected Software

Weaknesses

• CWE-347: CWE-347 Improper verification of cryptographic signature

Workarounds

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

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28199
• https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.md

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