{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-28197", "assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "state": "PUBLISHED", "assignerShortName": "ENISA", "dateReserved": "2026-02-25T14:02:29.492Z", "datePublished": "2026-09-18T11:07:19.877Z", "dateUpdated": "2026-09-18T14:31:44.840Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "shortName": "ENISA", "dateUpdated": "2026-09-18T11:07:19.877Z"}, "title": "Privilege Escalation via Argument Injection in NetBackup Flex OS Shell", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-88", "description": "CWE-88 Improper neutralization of argument delimiters in a command ('argument injection')", "type": "CWE"}]}], "affected": [{"vendor": "Cohesity", "product": "NetBackup Flex OS", "versions": [{"status": "affected", "version": "0", "lessThan": "6.4", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An authenticated, low-privileged user with access to the NetBackup Flex \nOS management shell could supply a specially crafted input to a \nprivileged administrative command, causing it to execute arbitrary code \nwith root-level permissions. Successful exploitation grants the attacker\n unrestricted control over the Flex appliance host and all hosted \ncontainers, fully compromising confidentiality, integrity, and \navailability.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An authenticated, low-privileged user with access to the NetBackup Flex \nOS management shell could supply a specially crafted input to a \nprivileged administrative command, causing it to execute arbitrary code \nwith root-level permissions. Successful exploitation grants the attacker\n unrestricted control over the Flex appliance host and all hosted \ncontainers, fully compromising confidentiality, integrity, and \navailability."}]}], "references": [{"url": "https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28197", "tags": ["government-resource"]}, {"url": "https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.md", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.4, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "workarounds": [{"lang": "en", "value": "Restrict management shell access to authorized administrators only. No \ncompensating control fully eliminates the risk; upgrading is required.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Restrict management shell access to authorized administrators only. No \ncompensating control fully eliminates the risk; upgrading is required."}]}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-28197", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-18T14:14:31.135668Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-18T14:31:44.840Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-28197", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-18T14:14:31.135668Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-18T14:30:09.440Z"}}], "cna": {"title": "Privilege Escalation via Argument Injection in NetBackup Flex OS Shell", "source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.4, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Cohesity", "product": "NetBackup Flex OS", "versions": [{"status": "affected", "version": "0", "lessThan": "6.4", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28197", "tags": ["government-resource"]}, {"url": "https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.md", "tags": ["vendor-advisory"]}], "workarounds": [{"lang": "en", "value": "Restrict management shell access to authorized administrators only. No \ncompensating control fully eliminates the risk; upgrading is required.", "supportingMedia": [{"type": "text/html", "value": "Restrict management shell access to authorized administrators only. No \ncompensating control fully eliminates the risk; upgrading is required.", "base64": false}]}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "An authenticated, low-privileged user with access to the NetBackup Flex \nOS management shell could supply a specially crafted input to a \nprivileged administrative command, causing it to execute arbitrary code \nwith root-level permissions. Successful exploitation grants the attacker\n unrestricted control over the Flex appliance host and all hosted \ncontainers, fully compromising confidentiality, integrity, and \navailability.", "supportingMedia": [{"type": "text/html", "value": "An authenticated, low-privileged user with access to the NetBackup Flex \nOS management shell could supply a specially crafted input to a \nprivileged administrative command, causing it to execute arbitrary code \nwith root-level permissions. Successful exploitation grants the attacker\n unrestricted control over the Flex appliance host and all hosted \ncontainers, fully compromising confidentiality, integrity, and \navailability.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-88", "description": "CWE-88 Improper neutralization of argument delimiters in a command ('argument injection')"}]}], "providerMetadata": {"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "shortName": "ENISA", "dateUpdated": "2026-09-18T11:07:19.877Z"}}}, "cveMetadata": {"cveId": "CVE-2026-28197", "state": "PUBLISHED", "dateUpdated": "2026-09-18T14:31:44.840Z", "dateReserved": "2026-02-25T14:02:29.492Z", "assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "datePublished": "2026-09-18T11:07:19.877Z", "assignerShortName": "ENISA"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "NetBackup Flex OS", "vendor": "Cohesity", "versions": [{"lessThan": "6.4", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An authenticated, low-privileged user with access to the NetBackup Flex \nOS management shell could supply a specially crafted input to a \nprivileged administrative command, causing it to execute arbitrary code \nwith root-level permissions. Successful exploitation grants the attacker\n unrestricted control over the Flex appliance host and all hosted \ncontainers, fully compromising confidentiality, integrity, and \navailability."}], "id": "CVE-2026-28197", "lastModified": "2026-09-18T19:24:36.593", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28197", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-18T14:14:31.135668Z", "version": "2.0.3"}}]}, "published": "2026-09-18T12:17:24.573", "references": [{"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "url": "https://github.com/cohesity/SecAdvisory/blob/master/COH-2026-0001.md"}, {"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "url": "https://www.cvcn.gov.it/cvcn/cve/CVE-2026-28197"}], "sourceIdentifier": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-88"}], "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}]}

{}