CVE-2026-47134

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-47134", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-18T19:50:18.695Z", "datePublished": "2026-07-20T21:17:22.539Z", "dateUpdated": "2026-07-21T14:56:09.708Z"}, "containers": {"cna": {"title": "ClearanceKit: Policy signing key in System Keychain has permissive ACL allowing any local-root process to forge signed policy", "problemTypes": [{"descriptions": [{"cweId": "CWE-732", "lang": "en", "description": "CWE-732: Incorrect Permission Assignment for Critical Resource", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/craigjbass/clearancekit/security/advisories/GHSA-w254-hxm5-3hgh", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/craigjbass/clearancekit/security/advisories/GHSA-w254-hxm5-3hgh"}], "affected": [{"vendor": "craigjbass", "product": "clearancekit", "versions": [{"version": "< 5.0.10", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-20T21:17:22.539Z"}, "descriptions": [{"lang": "en", "value": "ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. The ECDSA private key used to sign the on-disk policy database (`/Library/Application Support/clearancekit/store.db`) is stored in the macOS System Keychain. The key was created via the two-step pattern `SecKeyCreateRandomKey` (in-memory) followed by `SecItemAdd(kSecValueRef:, kSecAttrAccess:)` (persist). Prior to version 5.0.10, for `kSecClassKey` items in the legacy System Keychain, `kSecAttrAccess` passed to `SecItemAdd` is silently ignored \u2014 the persisted key inherits no ACL restriction. The same access builder applied to `kSecClassGenericPassword` items correctly binds the ACL, making this bug specific to the EC key. The result is that any process running as root can use the key to produce valid signatures over arbitrary policy content. Version 5.0.10 fixes the issue. No known workarounds are available. Disabling the system extension and manually removing the System Keychain item labelled `clearancekit policy signing key` would prevent the forged-signature path but also disables policy enforcement."}], "source": {"advisory": "GHSA-w254-hxm5-3hgh", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-21T13:16:06.301506Z", "id": "CVE-2026-47134", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-21T14:56:09.708Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-47134", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-21T13:16:06.301506Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-21T13:16:10.937Z"}}], "cna": {"title": "ClearanceKit: Policy signing key in System Keychain has permissive ACL allowing any local-root process to forge signed policy", "source": {"advisory": "GHSA-w254-hxm5-3hgh", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "craigjbass", "product": "clearancekit", "versions": [{"status": "affected", "version": "< 5.0.10"}]}], "references": [{"url": "https://github.com/craigjbass/clearancekit/security/advisories/GHSA-w254-hxm5-3hgh", "name": "https://github.com/craigjbass/clearancekit/security/advisories/GHSA-w254-hxm5-3hgh", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. The ECDSA private key used to sign the on-disk policy database (`/Library/Application Support/clearancekit/store.db`) is stored in the macOS System Keychain. The key was created via the two-step pattern `SecKeyCreateRandomKey` (in-memory) followed by `SecItemAdd(kSecValueRef:, kSecAttrAccess:)` (persist). Prior to version 5.0.10, for `kSecClassKey` items in the legacy System Keychain, `kSecAttrAccess` passed to `SecItemAdd` is silently ignored \u2014 the persisted key inherits no ACL restriction. The same access builder applied to `kSecClassGenericPassword` items correctly binds the ACL, making this bug specific to the EC key. The result is that any process running as root can use the key to produce valid signatures over arbitrary policy content. Version 5.0.10 fixes the issue. No known workarounds are available. Disabling the system extension and manually removing the System Keychain item labelled `clearancekit policy signing key` would prevent the forged-signature path but also disables policy enforcement."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-732", "description": "CWE-732: Incorrect Permission Assignment for Critical Resource"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-20T21:17:22.539Z"}}}, "cveMetadata": {"cveId": "CVE-2026-47134", "state": "PUBLISHED", "dateUpdated": "2026-07-21T14:56:09.708Z", "dateReserved": "2026-05-18T19:50:18.695Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-20T21:17:22.539Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "clearancekit", "vendor": "craigjbass", "versions": [{"status": "affected", "version": "< 5.0.10"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ClearanceKit intercepts file-system access events on macOS and enforces per-process access policies. The ECDSA private key used to sign the on-disk policy database (`/Library/Application Support/clearancekit/store.db`) is stored in the macOS System Keychain. The key was created via the two-step pattern `SecKeyCreateRandomKey` (in-memory) followed by `SecItemAdd(kSecValueRef:, kSecAttrAccess:)` (persist). Prior to version 5.0.10, for `kSecClassKey` items in the legacy System Keychain, `kSecAttrAccess` passed to `SecItemAdd` is silently ignored \u2014 the persisted key inherits no ACL restriction. The same access builder applied to `kSecClassGenericPassword` items correctly binds the ACL, making this bug specific to the EC key. The result is that any process running as root can use the key to produce valid signatures over arbitrary policy content. Version 5.0.10 fixes the issue. No known workarounds are available. Disabling the system extension and manually removing the System Keychain item labelled `clearancekit policy signing key` would prevent the forged-signature path but also disables policy enforcement."}, {"lang": "es", "value": "ClearanceKit intercepta los eventos de acceso al sistema de archivos en macOS y aplica pol\u00edticas de acceso por proceso. La clave privada ECDSA utilizada para firmar la base de datos de pol\u00edticas en disco (\u2019/Biblioteca/Application Support/clearancekit/store.db\u2019) se almacena en el Llavero del Sistema de macOS. La clave fue creada mediante el patr\u00f3n de dos pasos \u2019SecKeyCreateRandomKey\u2019 (en memoria) seguido de \u2019SecItemAdd(kSecValueRef:, kSecAttrAccess:)\u2019 (persistir). Antes de la versi\u00f3n 5.0.10, para los elementos \u2019kSecClassKey\u2019 en el Llavero del Sistema heredado, \u2019kSecAttrAccess\u2019 pasado a \u2019SecItemAdd\u2019 es ignorado silenciosamente - la clave persistida no hereda ninguna restricci\u00f3n de ACL. El mismo constructor de acceso aplicado a los elementos \u2019kSecClassGenericPassword\u2019 vincula correctamente la ACL, haciendo que este error sea espec\u00edfico de la clave EC. El resultado es que cualquier proceso ejecut\u00e1ndose como root puede usar la clave para producir firmas v\u00e1lidas sobre contenido de pol\u00edtica arbitrario. La versi\u00f3n 5.0.10 corrige el problema. No hay soluciones alternativas conocidas disponibles. Deshabilitar la extensi\u00f3n del sistema y eliminar manualmente el elemento del Llavero del Sistema etiquetado como \u2019clearancekit policy signing key\u2019 evitar\u00eda la ruta de firma falsificada, pero tambi\u00e9n deshabilita la aplicaci\u00f3n de pol\u00edticas."}], "id": "CVE-2026-47134", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/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": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47134", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-21T13:16:06.301506Z", "version": "2.0.3"}}]}, "published": "2026-07-20T22:17:15.133", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/craigjbass/clearancekit/security/advisories/GHSA-w254-hxm5-3hgh"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.0.10)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "clearancekit", "source": "cna", "vendor": "craigjbass"}, "product": "clearancekit", "vendor": "craigjbass"}], "created": "2026-07-21T23:45:13.650393+00:00", "updated": "2026-07-30T18:30:05.016872+00:00", "vendors": ["craigjbass", "craigjbass$PRODUCT$clearancekit"]}