---
id: CVE-2026-28199
title: |-
  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
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 exploitatio…
severity: low
cvss: 3.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-347
vendor: Cohesity
product: NetBackup Flex OS
affected:
  - netbackup_flex_os < 6.4
published: '2026-09-18'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T19:24:36.593'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-28199'
references:
  - url: 'https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.md'
    label: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
  - url: 'https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28199'
    label: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-18T14:14:05.944780Z'
ingestedAt: '2026-09-18T11:40:03.683Z'
epss: 0.00075
epssPercentile: 0.00103
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.