{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102478", "assignerOrgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "state": "PUBLISHED", "assignerShortName": "Octopus", "dateReserved": "2026-09-29T08:53:05.496Z", "datePublished": "2026-10-07T01:17:54.724Z", "dateUpdated": "2026-10-07T01:17:54.724Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "shortName": "Octopus", "dateUpdated": "2026-10-07T01:17:54.724Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1289", "description": "CWE-1289: Improper Validation of Unsafe Equivalence in Input", "type": "CWE"}]}], "affected": [{"vendor": "Octopus Deploy", "product": "Octopus Server", "platforms": ["Windows", "Linux"], "versions": [{"status": "affected", "version": "2023.2.945", "lessThan": "2026.1.11768", "versionType": "custom"}, {"status": "affected", "version": "2026.2.0", "lessThan": "2026.2.13408", "versionType": "custom"}, {"status": "affected", "version": "2026.3.0", "lessThan": "2026.3.15816", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In affected versions of Octopus Server, an authenticated user with permission to modify roles could bypass the protections preventing access abuse resulting in privilege escalation. It was possible for the built-in role to be weakened and the attacker's account added to a privileged team. This was achievable due to improper validation of unsafe equivalence in inputs.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "In affected versions of Octopus Server, an authenticated user with permission to modify roles could bypass the protections preventing access abuse resulting in privilege escalation. It was possible for the built-in role to be weakened and the attacker's account added to a privileged team. This was achievable due to improper validation of unsafe equivalence in inputs."}]}], "references": [{"url": "https://advisories.octopus.com/post/2026/sa2026-11"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "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": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "This vulnerability was found by Nathan Willoughby", "type": "finder"}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{}

{"created": "2026-10-07T03:45:10.847490+00:00", "title": "Privilege Escalation via Unrestricted Role Modification in Octopus Server", "updated": "2026-10-07T03:45:10.847496+00:00", "vendors": []}