---
title: "CVE-2026-28197: NetBackup Flex OS - Command Injection"
description: "NetBackup Flex OS contains a command injection caused by specially crafted input to a privileged administrative command, letting authenticated low-privileged users execute arbitrary code with root permissions."
url: https://panop.io/threat-heartbeat/CVE-2026-28197/
---

# CVE-2026-28197 NetBackup Flex OS - Command Injection

NetBackup Flex OS contains a command injection caused by specially crafted input to a privileged administrative command, letting authenticated low-privileged users execute arbitrary code with root permissions.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.67% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-28197)

## Details

Type

Command Injection

Impact

Remote Code Execution, Privilege Escalation

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

18 September 2026

Updated

15 October 2026

Weakness

[CWE-88](https://cwe.mitre.org/data/definitions/88.html)

## Vendor fix

Update to the latest version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-28197](https://nvd.nist.gov/vuln/detail/CVE-2026-28197)
- [https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.md](https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.md)
- [https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28197](https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28197)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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