CVE-2026-117341

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-117341", "assignerOrgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "state": "PUBLISHED", "assignerShortName": "Octopus", "dateReserved": "2026-10-27T04:51:05.072Z", "datePublished": "2026-10-27T10:36:00.773Z", "dateUpdated": "2026-11-04T20:29:43.289Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "shortName": "Octopus", "dateUpdated": "2026-10-27T10:36:00.773Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-532", "description": "CWE-532: Information Exposure Through Log Files", "type": "CWE"}]}], "affected": [{"vendor": "Octopus Deploy", "product": "Octopus Server", "platforms": ["Windows", "Linux"], "versions": [{"status": "affected", "version": "2019.0.0", "lessThan": "2026.2.13438", "versionType": "custom"}, {"status": "affected", "version": "2026.3.0", "lessThan": "2026.3.15829", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. When the invitation is linked to a space, a user in that space with appropriate permissions could read the code from the audit event. Successfully exploiting this by redeeming the unclaimed invitation could allow the user to escalate privileges however this is dependant on the permissions assigned for the invited user.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. When the invitation is linked to a space, a user in that space with appropriate permissions could read the code from the audit event. Successfully exploiting this by redeeming the unclaimed invitation could allow the user to escalate privileges however this is dependant on the permissions assigned for the invited user."}]}], "references": [{"url": "https://advisories.octopus.com/post/2026/sa2026-16"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "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": 7.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/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"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-04T18:45:37.551025Z", "id": "CVE-2026-117341", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-04T20:29:43.289Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-117341", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-11-04T18:45:37.551025Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-04T18:45:38.232Z"}}], "cna": {"source": {"discovery": "INTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "This vulnerability was found by Nathan Willoughby"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Octopus Deploy", "product": "Octopus Server", "versions": [{"status": "affected", "version": "2019.0.0", "lessThan": "2026.2.13438", "versionType": "custom"}, {"status": "affected", "version": "2026.3.0", "lessThan": "2026.3.15829", "versionType": "custom"}], "platforms": ["Windows", "Linux"], "defaultStatus": "unaffected"}], "references": [{"url": "https://advisories.octopus.com/post/2026/sa2026-16"}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. When the invitation is linked to a space, a user in that space with appropriate permissions could read the code from the audit event. Successfully exploiting this by redeeming the unclaimed invitation could allow the user to escalate privileges however this is dependant on the permissions assigned for the invited user.", "supportingMedia": [{"type": "text/html", "value": "In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. When the invitation is linked to a space, a user in that space with appropriate permissions could read the code from the audit event. Successfully exploiting this by redeeming the unclaimed invitation could allow the user to escalate privileges however this is dependant on the permissions assigned for the invited user.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-532", "description": "CWE-532: Information Exposure Through Log Files"}]}], "providerMetadata": {"orgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "shortName": "Octopus", "dateUpdated": "2026-10-27T10:36:00.773Z"}}}, "cveMetadata": {"cveId": "CVE-2026-117341", "state": "PUBLISHED", "dateUpdated": "2026-11-04T20:29:43.289Z", "dateReserved": "2026-10-27T04:51:05.072Z", "assignerOrgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "datePublished": "2026-10-27T10:36:00.773Z", "assignerShortName": "Octopus"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows", "Linux"], "product": "Octopus Server", "vendor": "Octopus Deploy", "versions": [{"lessThan": "2026.2.13438", "status": "affected", "version": "2019.0.0", "versionType": "custom"}, {"lessThan": "2026.3.15829", "status": "affected", "version": "2026.3.0", "versionType": "custom"}]}], "source": "security@octopus.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. When the invitation is linked to a space, a user in that space with appropriate permissions could read the code from the audit event. Successfully exploiting this by redeeming the unclaimed invitation could allow the user to escalate privileges however this is dependant on the permissions assigned for the invited user."}], "id": "CVE-2026-117341", "lastModified": "2026-11-04T21:17:53.513", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.7, "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:P/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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-117341", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-04T18:45:37.551025Z", "version": "2.0.3"}}]}, "published": "2026-10-27T11:17:33.220", "references": [{"source": "security@octopus.com", "url": "https://advisories.octopus.com/post/2026/sa2026-16"}], "sourceIdentifier": "security@octopus.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-532"}], "source": "security@octopus.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows", "linux"], "status": "affected", "versions": {"scheme": "semver", "value": "[2019.0.0,2026.2.13438)"}}, {"platform": ["windows", "linux"], "status": "affected", "versions": {"scheme": "semver", "value": "[2026.3.0,2026.3.15829)"}}], "enrichment": {"confidence": 86.0, "confidence_source": "matching", "scores": [{"score": 86.0, "source": "matching"}]}, "original": {"product": "Octopus Server", "source": "cna", "vendor": "Octopus Deploy"}, "product": "octopus_server", "vendor": "octopus"}], "created": "2026-10-27T12:45:01.786094+00:00", "title": "Privilege Escalation through Exposure of Invitation Code in Octopus Server Audit Log", "updated": "2026-10-28T22:15:03.715178+00:00", "vendors": ["octopus", "octopus$PRODUCT$octopus_server"]}