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

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Cohesity/NetBackup Flex OS (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Cohesity/NetBackup Flex OS.
2. 2Review the reported fix. Update Cohesity/NetBackup Flex OS to 6.4 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

1. Published upstream

   Sep 18, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Sep 18, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Sep 18, 2026

Sources and claim methodology

• GitHub security advisorygithub.com
• Source referencecvcn.gov.it

Related CVEs

• Privilege Escalation via Argument Injection in NetBackup Flex OS ShellSame cohesity/netbackup flex os package
• Privilege Escalation via Cryptographic Signature Verification Bypass in NetBackup Flex OS ShellSame cohesity/netbackup flex os package
• Missing Length CheckSame generic ecosystem
• CISA ADP VulnrichmentSame generic ecosystem
• Popup Maker <= 1.24.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via post_titleSame generic ecosystem
• Jeg Kit for Elementor <= 3.2.16 - Unauthenticated Stored Cross-Site Scripting via Comment ContentSame generic ecosystem