CVE-2026-105664

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105664", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-10-12T19:43:15.406Z", "datePublished": "2026-10-16T14:06:55.903Z", "dateUpdated": "2026-10-16T15:20:19.651Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-10-16T14:06:55.903Z"}, "title": "Guangzhou Juan IoT Technology EseeCloud Observable Response Discrepancy", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-204", "description": "CWE-204", "type": "CWE"}]}], "affected": [{"vendor": "Guangzhou Juan IoT Technology Co., Ltd.", "product": "EseeCloud App", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "4.9.6", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Guangzhou Juan IoT Technology Co., Ltd.", "product": "EseeCloud Firmware", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "4.9.86.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The endpoint exposes an observable response discrepancy when processing ID values. A request submitted with a nonexistent ID returns a distinct error response code from one submitted with a valid, registered ID, allowing an attacker holding a valid access token - but without further authentication or authorization - to distinguish valid ID values from the full 10-digit numeric search space. Combined with the absence of meaningful rate limiting on this endpoint, this discrepancy constitutes an enumeration oracle, enabling an attacker to discover registered devices at scale.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The endpoint exposes an observable response discrepancy when processing ID values. A request submitted with a nonexistent ID returns a distinct error response code from one submitted with a valid, registered ID, allowing an attacker holding a valid access token - but without further authentication or authorization - to distinguish valid ID values from the full 10-digit numeric search space. Combined with the absence of meaningful rate limiting on this endpoint, this discrepancy constitutes an enumeration oracle, enabling an attacker to discover registered devices at scale."}]}], "references": [{"url": "https://eseecloud.app/"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-288-02"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-288-02.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "workarounds": [{"lang": "en", "value": "Guangzhou Juan IoT Technology Co., Ltd. did not respond to CISA's coordination attempts. EseeCloud users are advised to contact Guangzhou Juan IoT Technology Co., Ltd. for support https://eseecloud.app/ .", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Guangzhou Juan IoT Technology Co., Ltd. did not respond to CISA's coordination attempts. EseeCloud users are advised to contact Guangzhou Juan IoT Technology Co., Ltd. for support <a href=\"https://eseecloud.app/\">https://eseecloud.app/</a> ."}]}], "credits": [{"lang": "en", "value": "Donghyeon Lee of Tokyo University of Science and GMO Flatt Security reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-288-02", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-105664", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T15:06:34.434306Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:20:19.651Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105664", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-10-12T19:43:15.406Z", "datePublished": "2026-10-16T14:06:55.903Z", "dateUpdated": "2026-10-16T15:20:19.651Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-10-16T14:06:55.903Z"}, "title": "Guangzhou Juan IoT Technology EseeCloud Observable Response Discrepancy", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-204", "description": "CWE-204", "type": "CWE"}]}], "affected": [{"vendor": "Guangzhou Juan IoT Technology Co., Ltd.", "product": "EseeCloud App", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "4.9.6", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Guangzhou Juan IoT Technology Co., Ltd.", "product": "EseeCloud Firmware", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "4.9.86.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The endpoint exposes an observable response discrepancy when processing ID values. A request submitted with a nonexistent ID returns a distinct error response code from one submitted with a valid, registered ID, allowing an attacker holding a valid access token - but without further authentication or authorization - to distinguish valid ID values from the full 10-digit numeric search space. Combined with the absence of meaningful rate limiting on this endpoint, this discrepancy constitutes an enumeration oracle, enabling an attacker to discover registered devices at scale.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The endpoint exposes an observable response discrepancy when processing ID values. A request submitted with a nonexistent ID returns a distinct error response code from one submitted with a valid, registered ID, allowing an attacker holding a valid access token - but without further authentication or authorization - to distinguish valid ID values from the full 10-digit numeric search space. Combined with the absence of meaningful rate limiting on this endpoint, this discrepancy constitutes an enumeration oracle, enabling an attacker to discover registered devices at scale."}]}], "references": [{"url": "https://eseecloud.app/"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-288-02"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-288-02.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "workarounds": [{"lang": "en", "value": "Guangzhou Juan IoT Technology Co., Ltd. did not respond to CISA's coordination attempts. EseeCloud users are advised to contact Guangzhou Juan IoT Technology Co., Ltd. for support https://eseecloud.app/ .", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Guangzhou Juan IoT Technology Co., Ltd. did not respond to CISA's coordination attempts. EseeCloud users are advised to contact Guangzhou Juan IoT Technology Co., Ltd. for support <a href=\"https://eseecloud.app/\">https://eseecloud.app/</a> ."}]}], "credits": [{"lang": "en", "value": "Donghyeon Lee of Tokyo University of Science and GMO Flatt Security reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-288-02", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-105664", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T15:06:34.434306Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:11:37.779Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "EseeCloud App", "vendor": "Guangzhou Juan IoT Technology Co., Ltd.", "versions": [{"lessThanOrEqual": "4.9.6", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "EseeCloud Firmware", "vendor": "Guangzhou Juan IoT Technology Co., Ltd.", "versions": [{"lessThanOrEqual": "4.9.86.0", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "ics-cert@hq.dhs.gov"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The endpoint exposes an observable response discrepancy when processing ID values. A request submitted with a nonexistent ID returns a distinct error response code from one submitted with a valid, registered ID, allowing an attacker holding a valid access token - but without further authentication or authorization - to distinguish valid ID values from the full 10-digit numeric search space. Combined with the absence of meaningful rate limiting on this endpoint, this discrepancy constitutes an enumeration oracle, enabling an attacker to discover registered devices at scale."}], "id": "CVE-2026-105664", "lastModified": "2026-10-16T20:04:29.760", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "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": "NONE", "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:N/UI:N/VC:L/VI:N/VA:N/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": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-105664", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:06:34.434306Z", "version": "2.0.3"}}]}, "published": "2026-10-16T14:17:14.903", "references": [{"source": "ics-cert@hq.dhs.gov", "url": "https://eseecloud.app/"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-288-02.json"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-288-02"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-204"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.9.6]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "EseeCloud App", "source": "cna", "vendor": "Guangzhou Juan IoT Technology Co., Ltd."}, "product": "eseecloud_app", "vendor": "guangzhou_juan_iot_technology"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.9.86.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "EseeCloud Firmware", "source": "cna", "vendor": "Guangzhou Juan IoT Technology Co., Ltd."}, "product": "eseecloud_firmware", "vendor": "guangzhou_juan_iot_technology"}], "created": "2026-10-16T16:15:07.180893+00:00", "updated": "2026-10-19T12:55:14.909596+00:00", "vendors": ["guangzhou_juan_iot_technology", "guangzhou_juan_iot_technology$PRODUCT$eseecloud_app", "guangzhou_juan_iot_technology$PRODUCT$eseecloud_firmware"]}