{"id":"CVE-2026-28199","aliases":["EUVD-2026-82877","GHSA-chmq-8gh3-838c"],"status":"published","title":"Sensitive File Disclosure via Relative Path Traversal in NetBackup Flex OS Shell","description":"An authenticated user with access to the NetBackup Flex OS management \nshell could read arbitrary files from the underlying operating system by\n supplying a specially crafted path argument to a diagnostic command. \nSuccessful exploitation could expose sensitive system configuration and \ncredential material stored on the appliance.","severity":{"version":"4.0","score":4.8,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00099,"percentile":0.00811,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-09-18T11:19:34Z","modified":"2026-09-18T19:24:36Z","products":[{"vendor":"cohesity","product":"netbackup flex os"}],"references":[{"url":"https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28199","tags":["government-resource"]},{"url":"https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.md","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28199"},{"url":"https://github.com/advisories/GHSA-chmq-8gh3-838c"}],"sources":{"cve":[{"id":"CVE-2026-28199","title":"Sensitive File Disclosure via Relative Path Traversal in NetBackup Flex OS Shell","description":"An authenticated user with access to the NetBackup Flex OS management \nshell could read arbitrary files from the underlying operating system by\n supplying a specially crafted path argument to a diagnostic command. \nSuccessful exploitation could expose sensitive system configuration and \ncredential material stored on the appliance.","status":"published","published":"2026-09-18T11:19:34.183Z","modified":"2026-09-18T14:31:45.19Z","cvss":[{"version":"4.0","score":4.8,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:20:01.969981Z"}],"euvd":[{"id":"EUVD-2026-82877","description":"An authenticated user with access to the NetBackup Flex OS management \nshell could read arbitrary files from the underlying operating system by\n supplying a specially crafted path argument to a diagnostic command. \nSuccessful exploitation could expose sensitive system configuration and \ncredential material stored on the appliance.","status":"published","published":"2026-09-18T11:19:34Z","modified":"2026-09-18T14:31:45Z","cvss":[{"version":"4.0","score":4.8,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T17:28:08.898956Z"}],"ghsa":[{"id":"GHSA-chmq-8gh3-838c","title":"An authenticated user with access to the NetBackup Flex OS management \nshell could read arbitrary...","description":"An authenticated user with access to the NetBackup Flex OS management \nshell could read arbitrary files from the underlying operating system by\n supplying a specially crafted path argument to a diagnostic command. \nSuccessful exploitation could expose sensitive system configuration and \ncredential material stored on the appliance.","status":"published","published":"2026-09-18T12:31:20Z","modified":"2026-09-18T12:31:28Z","cvss":[{"version":"4.0","score":4.8,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:12:09.483713Z"}],"nvd":[{"id":"CVE-2026-28199","description":"An authenticated user with access to the NetBackup Flex OS management \nshell could read arbitrary files from the underlying operating system by\n supplying a specially crafted path argument to a diagnostic command. \nSuccessful exploitation could expose sensitive system configuration and \ncredential material stored on the appliance.","status":"published","published":"2026-09-18T12:17:24.85Z","modified":"2026-09-18T19:24:36.593Z","cvss":[{"version":"4.0","score":4.8,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:49.70655Z"}]}}