{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33583", "assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "state": "PUBLISHED", "assignerShortName": "ENISA", "dateReserved": "2026-03-23T12:53:47.473Z", "datePublished": "2026-05-13T18:19:34.651Z", "dateUpdated": "2026-05-13T18:57:55.074Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "shortName": "ENISA", "dateUpdated": "2026-05-13T18:19:34.651Z"}, "title": "Arqit SKA-Platform Vulnerable to Key Exposure", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-749", "description": "CWE-749 Exposed dangerous method or function", "type": "CWE"}]}], "affected": [{"vendor": "Arqit", "product": "Symmetric Key Agreement Platform", "versions": [{"status": "affected", "version": "0", "lessThan": "26.03", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Exposure of the QKEY (used as \ninput into the \u2018OTA-Quantum\u2019 device registration process) and internal \nsystem keys via an unauthenticated and unencrypted HTTP GET method in the Arqit Symmetric Key Agreement Platform.\n\nThis issue affects Symmetric Key Agreement Platform: before 26.03.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Exposure of the QKEY (used as \ninput into the \u2018OTA-Quantum\u2019 device registration process) and internal \nsystem keys via an unauthenticated and unencrypted HTTP GET method in the Arqit Symmetric Key Agreement Platform.<p>This issue affects Symmetric Key Agreement Platform: before 26.03.</p>"}]}], "references": [{"url": "https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-13T18:57:23.168695Z", "id": "CVE-2026-33583", "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": "2026-05-13T18:57:55.074Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33583", "assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "state": "PUBLISHED", "assignerShortName": "ENISA", "dateReserved": "2026-03-23T12:53:47.473Z", "datePublished": "2026-05-13T18:19:34.651Z", "dateUpdated": "2026-05-13T18:57:55.074Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "shortName": "ENISA", "dateUpdated": "2026-05-13T18:19:34.651Z"}, "title": "Arqit SKA-Platform Vulnerable to Key Exposure", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-749", "description": "CWE-749 Exposed dangerous method or function", "type": "CWE"}]}], "affected": [{"vendor": "Arqit", "product": "Symmetric Key Agreement Platform", "versions": [{"status": "affected", "version": "0", "lessThan": "26.03", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Exposure of the QKEY (used as \ninput into the \u2018OTA-Quantum\u2019 device registration process) and internal \nsystem keys via an unauthenticated and unencrypted HTTP GET method in the Arqit Symmetric Key Agreement Platform.\n\nThis issue affects Symmetric Key Agreement Platform: before 26.03.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Exposure of the QKEY (used as \ninput into the \u2018OTA-Quantum\u2019 device registration process) and internal \nsystem keys via an unauthenticated and unencrypted HTTP GET method in the Arqit Symmetric Key Agreement Platform.<p>This issue affects Symmetric Key Agreement Platform: before 26.03.</p>"}]}], "references": [{"url": "https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-33583", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-05-13T18:57:23.168695Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-13T18:57:45.502Z"}}]}}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Exposure of the QKEY (used as \ninput into the \u2018OTA-Quantum\u2019 device registration process) and internal \nsystem keys via an unauthenticated and unencrypted HTTP GET method in the Arqit Symmetric Key Agreement Platform.\n\nThis issue affects Symmetric Key Agreement Platform: before 26.03."}], "id": "CVE-2026-33583", "lastModified": "2026-05-14T17:07:07.030", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.8, "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}]}, "published": "2026-05-13T19:17:06.873", "references": [{"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "url": "https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583"}], "sourceIdentifier": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-749"}], "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.03)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Symmetric Key Agreement Platform", "source": "cna", "vendor": "Arqit"}, "product": "symmetric_key_agreement_platform", "vendor": "arqit"}], "created": "2026-05-13T19:45:03.822830+00:00", "updated": "2026-05-14T14:34:02.178615+00:00", "vendors": ["arqit", "arqit$PRODUCT$symmetric_key_agreement_platform"]}