CVE-2026-27465

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-27465", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-19T17:25:31.101Z", "datePublished": "2026-02-26T02:54:04.886Z", "dateUpdated": "2026-02-26T14:26:24.835Z"}, "containers": {"cna": {"title": "Fleet: Sensitive Google Calendar credentials disclosed to low-privileged users", "problemTypes": [{"descriptions": [{"cweId": "CWE-201", "lang": "en", "description": "CWE-201: Insertion of Sensitive Information Into Sent Data", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 1.3, "baseSeverity": "LOW", "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:U", "version": "4.0"}}], "references": [{"name": "https://github.com/fleetdm/fleet/security/advisories/GHSA-2v6m-6xw3-6467", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/fleetdm/fleet/security/advisories/GHSA-2v6m-6xw3-6467"}], "affected": [{"vendor": "fleetdm", "product": "fleet", "versions": [{"version": "< 4.80.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-26T02:54:04.886Z"}, "descriptions": [{"lang": "en", "value": "Fleet is open source device management software. In versions prior to 4.80.1, a vulnerability in Fleet\u2019s configuration API could expose Google Calendar service account credentials to authenticated users with low-privilege roles. This may allow unauthorized access to Google Calendar resources associated with the service account. Fleet returns configuration data through an API endpoint that is accessible to authenticated users, including those with the lowest-privilege \u201cObserver\u201d role. In affected versions, Google Calendar service account credentials were not properly obfuscated before being returned. As a result, a low-privilege user could retrieve the service account\u2019s private key material. Depending on how the Google Calendar integration is configured, this could allow unauthorized access to calendar data or other Google Workspace resources associated with the service account. This issue does not allow escalation of privileges within Fleet or access to device management functionality. Version 4.80.1 patches the issue. If an immediate upgrade is not possible, administrators should remove the Google Calendar integration from Fleet and rotate the affected Google service account credentials."}], "source": {"advisory": "GHSA-2v6m-6xw3-6467", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-26T14:26:13.885260Z", "id": "CVE-2026-27465", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-02-26T14:26:24.835Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-27465", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-26T14:26:13.885260Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T14:26:19.011Z"}}], "cna": {"title": "Fleet: Sensitive Google Calendar credentials disclosed to low-privileged users", "source": {"advisory": "GHSA-2v6m-6xw3-6467", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 1.3, "attackVector": "NETWORK", "baseSeverity": "LOW", "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:U", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW"}}], "affected": [{"vendor": "fleetdm", "product": "fleet", "versions": [{"status": "affected", "version": "< 4.80.1"}]}], "references": [{"url": "https://github.com/fleetdm/fleet/security/advisories/GHSA-2v6m-6xw3-6467", "name": "https://github.com/fleetdm/fleet/security/advisories/GHSA-2v6m-6xw3-6467", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "Fleet is open source device management software. In versions prior to 4.80.1, a vulnerability in Fleet\u2019s configuration API could expose Google Calendar service account credentials to authenticated users with low-privilege roles. This may allow unauthorized access to Google Calendar resources associated with the service account. Fleet returns configuration data through an API endpoint that is accessible to authenticated users, including those with the lowest-privilege \u201cObserver\u201d role. In affected versions, Google Calendar service account credentials were not properly obfuscated before being returned. As a result, a low-privilege user could retrieve the service account\u2019s private key material. Depending on how the Google Calendar integration is configured, this could allow unauthorized access to calendar data or other Google Workspace resources associated with the service account. This issue does not allow escalation of privileges within Fleet or access to device management functionality. Version 4.80.1 patches the issue. If an immediate upgrade is not possible, administrators should remove the Google Calendar integration from Fleet and rotate the affected Google service account credentials."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-201", "description": "CWE-201: Insertion of Sensitive Information Into Sent Data"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-26T02:54:04.886Z"}}}, "cveMetadata": {"cveId": "CVE-2026-27465", "state": "PUBLISHED", "dateUpdated": "2026-02-26T14:26:24.835Z", "dateReserved": "2026-02-19T17:25:31.101Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-02-26T02:54:04.886Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "fleet", "vendor": "fleetdm", "versions": [{"status": "affected", "version": "< 4.80.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fleetdm:fleet:*:*:*:*:*:*:*:*", "matchCriteriaId": "A1490125-39FE-4B90-AC5F-62B26ED3C509", "versionEndExcluding": "4.80.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Fleet is open source device management software. In versions prior to 4.80.1, a vulnerability in Fleet\u2019s configuration API could expose Google Calendar service account credentials to authenticated users with low-privilege roles. This may allow unauthorized access to Google Calendar resources associated with the service account. Fleet returns configuration data through an API endpoint that is accessible to authenticated users, including those with the lowest-privilege \u201cObserver\u201d role. In affected versions, Google Calendar service account credentials were not properly obfuscated before being returned. As a result, a low-privilege user could retrieve the service account\u2019s private key material. Depending on how the Google Calendar integration is configured, this could allow unauthorized access to calendar data or other Google Workspace resources associated with the service account. This issue does not allow escalation of privileges within Fleet or access to device management functionality. Version 4.80.1 patches the issue. If an immediate upgrade is not possible, administrators should remove the Google Calendar integration from Fleet and rotate the affected Google service account credentials."}, {"lang": "es", "value": "Fleet es software de gesti\u00f3n de dispositivos de c\u00f3digo abierto. En versiones anteriores a la 4.80.1, una vulnerabilidad en la API de configuraci\u00f3n de Fleet podr\u00eda exponer las credenciales de la cuenta de servicio de Google Calendar a usuarios autenticados con roles de bajo privilegio. Esto podr\u00eda permitir el acceso no autorizado a los recursos de Google Calendar asociados con la cuenta de servicio. Fleet devuelve datos de configuraci\u00f3n a trav\u00e9s de un endpoint de API que es accesible para usuarios autenticados, incluidos aquellos con el rol de menor privilegio 'Observer'. En las versiones afectadas, las credenciales de la cuenta de servicio de Google Calendar no se ofuscaron correctamente antes de ser devueltas. Como resultado, un usuario de bajo privilegio podr\u00eda recuperar el material de la clave privada de la cuenta de servicio. Dependiendo de c\u00f3mo est\u00e9 configurada la integraci\u00f3n de Google Calendar, esto podr\u00eda permitir el acceso no autorizado a datos del calendario u otros recursos de Google Workspace asociados con la cuenta de servicio. Este problema no permite la escalada de privilegios dentro de Fleet ni el acceso a la funcionalidad de gesti\u00f3n de dispositivos. La versi\u00f3n 4.80.1 corrige el problema. Si una actualizaci\u00f3n inmediata no es posible, los administradores deben eliminar la integraci\u00f3n de Google Calendar de Fleet y rotar las credenciales de la cuenta de servicio de Google afectadas."}], "id": "CVE-2026-27465", "lastModified": "2026-06-17T10:27:11.820", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "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:U/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-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27465", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-26T14:26:13.885260Z", "version": "2.0.3"}}]}, "published": "2026-02-26T03:16:04.520", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/fleetdm/fleet/security/advisories/GHSA-2v6m-6xw3-6467"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-201"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.80.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "fleet", "source": "cna", "vendor": "fleetdm"}, "product": "fleet", "vendor": "fleetdm"}], "analysis": {"en": {"generated_at": "2026-04-17T14:25:57.335124+00:00", "value": {"mitigation_remediation": ["Upgrade Fleet to version 4.80.1 or later. ", "If immediate upgrade is not possible, remove the Google Calendar integration from Fleet. ", "After removal or upgrade, rotate the credentials of the affected Google service account to invalidate any keys that may have been exposed."], "summary": {"action": "Apply Patch", "impact": "Exposes Google Calendar service account credentials to low\u2011privileged users, enabling unauthorized access to Google Workspace resources."}, "threat_synthesis": {"affected_systems": "Any installation of Fleet open\u2011source device management software using Google Calendar integration in versions prior to 4.80.1 is affected. The API endpoint that returns configuration data is accessible to authenticated users with the Observer role. The CVE applies to the fleetdm:fleet product family, as indicated by the CNA and CPE entries.", "description_and_impact": "The vulnerability resides in Fleet\u2019s configuration API, which returns Google Calendar service account credentials without proper obfuscation. Users authenticated with the lowest\u2011privileged \u201cObserver\u201d role can retrieve the private key material. This permits an attacker to access Google Calendar data or other Workspace resources tied to the service account, though it does not allow privilege escalation within Fleet itself. The weakness is categorised as CWE\u2011201, improper control of sensitive data exposure.", "risk_and_exploitability": "With a CVSS score of 1.3, the severity is considered low; an EPSS score of less than 1% indicates a very low likelihood of exploitation, and the vulnerability is not listed in CISA\u2019s KEV catalog. The attack vector is inferred to be via an authenticated API call to a configuration endpoint. Although the impact does not include Fleet privilege escalation, the exposure of service account credentials represents a significant risk to the external Google Workspace environment. Overall, the risk is low but warrants mitigation due to credential leakage."}}}}, "created": "2026-02-26T13:09:42.085773+00:00", "updated": "2026-04-17T14:30:20.827849+00:00", "vendors": ["fleetdm", "fleetdm$PRODUCT$fleet"]}