{"id":"CVE-2026-33583","aliases":["EUVD-2026-30113","GHSA-p8mh-jv2c-p65g"],"status":"published","title":"Arqit SKA-Platform Vulnerable to Key Exposure","description":"Exposure of the QKEY (used as \ninput into the ‘OTA-Quantum’ 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.","severity":{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00208,"percentile":0.10953,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-749"],"published":"2026-05-13T18:19:34Z","modified":"2026-10-26T00:10:00Z","products":[{"vendor":"arqit","product":"symmetric key agreement platform"}],"references":[{"url":"https://www.cvcn.gov.it/cvcn/cve/CVE-2026-33583","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33583"},{"url":"https://github.com/advisories/GHSA-p8mh-jv2c-p65g"}],"sources":{"cve":[{"id":"CVE-2026-33583","title":"Arqit SKA-Platform Vulnerable to Key Exposure","description":"Exposure of the QKEY (used as \ninput into the ‘OTA-Quantum’ 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.","status":"published","published":"2026-05-13T18:19:34.651Z","modified":"2026-05-13T18:57:55.074Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-749"],"updated_at":"2026-11-02T14:20:07.609948Z"}],"euvd":[{"id":"EUVD-2026-30113","description":"Exposure of the QKEY (used as \ninput into the ‘OTA-Quantum’ 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.","status":"published","published":"2026-05-13T18:19:34Z","modified":"2026-05-13T18:57:55Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T19:04:33.260537Z"}],"ghsa":[{"id":"GHSA-p8mh-jv2c-p65g","title":"Exposure of the QKEY (used as \ninput into the ‘OTA-Quantum’ device registration process) and...","description":"Exposure of the QKEY (used as \ninput into the ‘OTA-Quantum’ 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.","status":"published","published":"2026-05-13T21:32:05Z","modified":"2026-05-13T21:32:14Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-749"],"updated_at":"2026-11-02T15:08:07.741271Z"}],"nvd":[{"id":"CVE-2026-33583","description":"Exposure of the QKEY (used as \ninput into the ‘OTA-Quantum’ 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.","status":"published","published":"2026-05-13T19:17:06.873Z","modified":"2026-10-26T00:10:00.15Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-749"],"updated_at":"2026-11-02T14:12:19.020465Z"}]}}