{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-118426", "assignerOrgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "state": "PUBLISHED", "assignerShortName": "Octopus", "dateReserved": "2026-10-28T05:50:49.880Z", "datePublished": "2026-10-29T02:02:13.443Z", "dateUpdated": "2026-10-29T02:02:13.443Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "shortName": "Octopus", "dateUpdated": "2026-10-29T02:02:13.443Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "affected": [{"vendor": "Octopus Deploy", "product": "Octopus Server", "platforms": ["Windows", "Linux"], "versions": [{"status": "affected", "version": "3.0.0", "lessThan": "2026.2.13487", "versionType": "custom"}, {"status": "affected", "version": "2026.3.0", "lessThan": "2026.3.15909", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user search and LDAP group search.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user search and LDAP group search."}]}], "references": [{"url": "https://advisories.octopus.com/post/2026/sa2026-18"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows", "Linux"], "product": "Octopus Server", "vendor": "Octopus Deploy", "versions": [{"lessThan": "2026.2.13487", "status": "affected", "version": "3.0.0", "versionType": "custom"}, {"lessThan": "2026.3.15909", "status": "affected", "version": "2026.3.0", "versionType": "custom"}]}], "source": "security@octopus.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user search and LDAP group search."}], "id": "CVE-2026-118426", "lastModified": "2026-10-29T16:19:37.750", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@octopus.com", "type": "Secondary"}]}, "published": "2026-10-29T04:18:35.260", "references": [{"source": "security@octopus.com", "url": "https://advisories.octopus.com/post/2026/sa2026-18"}], "sourceIdentifier": "security@octopus.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security@octopus.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows", "linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[3.0.0,2026.2.13487)"}}, {"platform": ["windows", "linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[2026.3.0,2026.3.15909)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Octopus Server", "source": "cna", "vendor": "Octopus Deploy"}, "product": "octopus_server", "vendor": "octopus"}], "created": "2026-10-29T05:00:15.780393+00:00", "title": "Authenticated LDAP Search Disclosure in Octopus Server", "updated": "2026-10-29T05:45:14.794101+00:00", "vendors": ["octopus", "octopus$PRODUCT$octopus_server"]}