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VULNERABILITIES

CVE-2026-28197 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:9.9 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CNA: ENISACVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.md ENISAAdvisoryBundleRemedyVendor
https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28197 ENISAAdvisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-88Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')ENISA

Affected Products

ProductVersions
Cohesity NetBackup Flex OS
< 6.4

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • Upgrade: 6.4moderate effort
  • Mitigation:low effort

    Restrict management shell access to authorized administrators only.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-28197
NVD Published Date:
Sep 18, 2026
NVD Last Modified:
Sep 18, 2026
Source:
ENISA
CVE-2026-28197 Details - Not Deferred