CVE-2026-124627

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows", "Linux"], "product": "Octopus Server", "vendor": "Octopus Deploy", "versions": [{"lessThan": "2026.2.13526", "status": "affected", "version": "3.0.0", "versionType": "custom"}, {"lessThan": "2026.3.15926", "status": "affected", "version": "2026.3.0", "versionType": "custom"}]}], "source": "security@octopus.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In affected versions of Octopus Server, incorrect validation of the external identity linked to a newly registered user could result in that user receiving the LDAP-mapped team memberships and associated permissions of another user. This issue only affects instances with LDAP authentication enabled and LDAP groups mapped to Octopus teams."}], "id": "CVE-2026-124627", "lastModified": "2026-11-12T19:02:35.830", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "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:H/VI:H/VA:H/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": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@octopus.com", "type": "Secondary"}]}, "published": "2026-11-12T14:17:28.443", "references": [{"source": "security@octopus.com", "url": "https://advisories.octopus.com/post/2026/sa2026-23"}], "sourceIdentifier": "security@octopus.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security@octopus.com", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": ["windows", "linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[3.0.0,2026.2.13526)"}}, {"platform": ["windows", "linux"], "status": "affected", "versions": {"scheme": "generic", "value": "[2026.3.0,2026.3.15926)"}}], "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": "2026-11-13T00:45:11.868933+00:00", "title": "LDAP Misconfiguration Enables Unauthorized Team Memberships in Octopus Server", "updated": "2026-11-13T12:15:06.808878+00:00", "vendors": ["octopus", "octopus$PRODUCT$octopus_server"]}