CVE-2026-28199
Sensitive File Disclosure via Relative Path Traversal in NetBackup Flex OS Shell
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 18, 2026
- Updated
- Sep 18, 2026
- Reserved
- Feb 25, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | ENISA |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | ENISA |
Weaknesses
- CWE-347 Improper verification of cryptographic signature
Affected Products
| Product | Versions |
|---|---|
NetBackup Flex OSCohesity |
|
References
- https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28199government-resource
- https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.mdvendor-advisory
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