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CVE-2026-28199

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

CVSS 4.0 4.8 MEDIUMCVSS 3.1 3.3 LOWCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-28199

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-28199

Published

NetBackup Flex OS

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Cohesity",
                    "product": "NetBackup Flex OS",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "6.4",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON