CVE-2026-28199Sensitive File Disclosure via Relative Path Traversal in NetBackup Flex OS Shell
Updated under an hour ago ()
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It affects Cohesity NetBackup Flex OS. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-347
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- ENISA
- NVD analysis
- Deferred
- Record last updated
- Sep 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Cohesity NetBackup Flex OS cohesity:netbackup_flex_os (from the name) | before 6.4 | CNA record |
References
- https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28199government-resource
- https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.mdvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.