{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121139", "assignerOrgId": "9974b330-7714-4307-a722-5648477acda7", "state": "PUBLISHED", "assignerShortName": "rapid7", "dateReserved": "2026-11-03T09:50:59.943Z", "datePublished": "2026-11-05T15:24:48.455Z", "dateUpdated": "2026-11-06T06:13:32.715Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9974b330-7714-4307-a722-5648477acda7", "shortName": "rapid7", "dateUpdated": "2026-11-06T06:13:32.715Z"}, "title": "Rapid7 Metasploit Framework Web Service unauthenticated bootstrap window allows creation of an administrator account without authentication", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306 Missing authentication for critical function", "type": "CWE"}]}], "affected": [{"vendor": "Rapid7", "product": "Metasploit Framework", "versions": [{"status": "affected", "version": "0", "lessThan": "6.5.9", "versionType": "git"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Rapid7 Metasploit\u00a0msf-ws\u00a0suffers from a missing authentication vulnerability whereby the REST API grants an unauthenticated \"bootstrap\" exemption so that the very first administrator can be created when the\u00a0users\u00a0table is empty. While the table is empty,\u00a0POST /api/v1/users\u00a0is exempt from authentication by design: the route handler calls\u00a0warden.authenticate!(scope: :admin_api), which resolves to\u00a0AdminApiToken.\u00a0The inherited\u00a0ApiToken#authenticate!\u00a0short-circuits and returns\u00a0success!()\u00a0whenever\u00a0msf.auth_initialized\u00a0is false, without ever evaluating\u00a0AdminApiToken's administrator check. In that state the endpoint creates a user \u2014 including an administrator \u2014 for an entirely unauthenticated caller.\n\n\nThis issue has been fixed in version 6.5.9.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The Rapid7 Metasploit&nbsp;<code>msf-ws</code>&nbsp;suffers from a missing authentication vulnerability whereby the REST API grants an unauthenticated \"bootstrap\" exemption so that the very first administrator can be created when the&nbsp;<code>users</code>&nbsp;table is empty. While the table is empty,&nbsp;<code>POST /api/v1/users</code>&nbsp;is exempt from authentication by design: the route handler calls&nbsp;<code>warden.authenticate!(scope: :admin_api)</code>, which resolves to&nbsp;<code>AdminApiToken.</code>&nbsp;The inherited&nbsp;<code>ApiToken#authenticate!</code>&nbsp;short-circuits and returns&nbsp;<code>success!()</code>&nbsp;whenever&nbsp;<code>msf.auth_initialized</code>&nbsp;is false, without ever evaluating&nbsp;<code>AdminApiToken</code>'s administrator check. In that state the endpoint creates a user \u2014 including an administrator \u2014 for an entirely unauthenticated caller.<div><br></div><div>This issue has been fixed in version 6.5.9.</div>"}]}], "references": [{"url": "https://github.com/rapid7/metasploit-framework/pull/22039"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "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": 7.3, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Ali Ganiyev", "type": "finder"}, {"lang": "en", "value": "Tanish Agarwal", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/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"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-11-05T17:10:54.894633Z", "id": "CVE-2026-121139", "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": "2026-11-05T17:11:41.112Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121139", "assignerOrgId": "9974b330-7714-4307-a722-5648477acda7", "state": "PUBLISHED", "assignerShortName": "rapid7", "dateReserved": "2026-11-03T09:50:59.943Z", "datePublished": "2026-11-05T15:24:48.455Z", "dateUpdated": "2026-11-06T06:13:32.715Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9974b330-7714-4307-a722-5648477acda7", "shortName": "rapid7", "dateUpdated": "2026-11-06T06:13:32.715Z"}, "title": "Rapid7 Metasploit Framework Web Service unauthenticated bootstrap window allows creation of an administrator account without authentication", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306 Missing authentication for critical function", "type": "CWE"}]}], "affected": [{"vendor": "Rapid7", "product": "Metasploit Framework", "versions": [{"status": "affected", "version": "0", "lessThan": "6.5.9", "versionType": "git"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Rapid7 Metasploit\u00a0msf-ws\u00a0suffers from a missing authentication vulnerability whereby the REST API grants an unauthenticated \"bootstrap\" exemption so that the very first administrator can be created when the\u00a0users\u00a0table is empty. While the table is empty,\u00a0POST /api/v1/users\u00a0is exempt from authentication by design: the route handler calls\u00a0warden.authenticate!(scope: :admin_api), which resolves to\u00a0AdminApiToken.\u00a0The inherited\u00a0ApiToken#authenticate!\u00a0short-circuits and returns\u00a0success!()\u00a0whenever\u00a0msf.auth_initialized\u00a0is false, without ever evaluating\u00a0AdminApiToken's administrator check. In that state the endpoint creates a user \u2014 including an administrator \u2014 for an entirely unauthenticated caller.\n\n\nThis issue has been fixed in version 6.5.9.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The Rapid7 Metasploit&nbsp;<code>msf-ws</code>&nbsp;suffers from a missing authentication vulnerability whereby the REST API grants an unauthenticated \"bootstrap\" exemption so that the very first administrator can be created when the&nbsp;<code>users</code>&nbsp;table is empty. While the table is empty,&nbsp;<code>POST /api/v1/users</code>&nbsp;is exempt from authentication by design: the route handler calls&nbsp;<code>warden.authenticate!(scope: :admin_api)</code>, which resolves to&nbsp;<code>AdminApiToken.</code>&nbsp;The inherited&nbsp;<code>ApiToken#authenticate!</code>&nbsp;short-circuits and returns&nbsp;<code>success!()</code>&nbsp;whenever&nbsp;<code>msf.auth_initialized</code>&nbsp;is false, without ever evaluating&nbsp;<code>AdminApiToken</code>'s administrator check. In that state the endpoint creates a user \u2014 including an administrator \u2014 for an entirely unauthenticated caller.<div><br></div><div>This issue has been fixed in version 6.5.9.</div>"}]}], "references": [{"url": "https://github.com/rapid7/metasploit-framework/pull/22039"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "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": 7.3, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Ali Ganiyev", "type": "finder"}, {"lang": "en", "value": "Tanish Agarwal", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-121139", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-11-05T17:10:54.894633Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T17:09:50.569Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Metasploit Framework", "vendor": "Rapid7", "versions": [{"lessThan": "6.5.9", "status": "affected", "version": "0", "versionType": "git"}]}], "source": "cve@rapid7.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Rapid7 Metasploit\u00a0msf-ws\u00a0suffers from a missing authentication vulnerability whereby the REST API grants an unauthenticated \"bootstrap\" exemption so that the very first administrator can be created when the\u00a0users\u00a0table is empty. While the table is empty,\u00a0POST /api/v1/users\u00a0is exempt from authentication by design: the route handler calls\u00a0warden.authenticate!(scope: :admin_api), which resolves to\u00a0AdminApiToken.\u00a0The inherited\u00a0ApiToken#authenticate!\u00a0short-circuits and returns\u00a0success!()\u00a0whenever\u00a0msf.auth_initialized\u00a0is false, without ever evaluating\u00a0AdminApiToken's administrator check. In that state the endpoint creates a user \u2014 including an administrator \u2014 for an entirely unauthenticated caller.\n\n\nThis issue has been fixed in version 6.5.9."}], "id": "CVE-2026-121139", "lastModified": "2026-11-06T20:38:53.570", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.3, "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:L/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": "cve@rapid7.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-121139", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T17:10:54.894633Z", "version": "2.0.3"}}]}, "published": "2026-11-05T16:17:44.787", "references": [{"source": "cve@rapid7.com", "url": "https://github.com/rapid7/metasploit-framework/pull/22039"}], "sourceIdentifier": "cve@rapid7.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "cve@rapid7.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,6.5.9)"}}], "enrichment": {"confidence": 83.0, "confidence_source": "matching", "scores": [{"score": 83.0, "source": "matching"}]}, "original": {"product": "Metasploit Framework", "source": "cna", "vendor": "Rapid7"}, "product": "metasploit_framework", "vendor": "metasploit"}], "created": "2026-11-05T16:45:06.274566+00:00", "updated": "2026-11-06T16:30:07.054241+00:00", "vendors": ["metasploit", "metasploit$PRODUCT$metasploit_framework"]}