{"id":"CVE-2026-11381","aliases":["EUVD-2026-83038","GHSA-cp5w-2cmm-55wp"],"status":"published","title":"IBM MQ for HPE NonStop is vulnerable to a denial of service issue","description":"IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0059,"percentile":0.48732,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-09-18T16:09:44Z","modified":"2026-09-19T04:17:53Z","products":[{"vendor":"ibm","product":"mq for hpe nonstop"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7287706","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11381"},{"url":"https://github.com/advisories/GHSA-cp5w-2cmm-55wp"}],"sources":{"cve":[{"id":"CVE-2026-11381","title":"IBM MQ for HPE NonStop is vulnerable to a denial of service issue","description":"IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.","status":"published","published":"2026-09-18T16:09:44.204Z","modified":"2026-09-19T03:56:53.756Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:20:04.809935Z"}],"euvd":[{"id":"EUVD-2026-83038","description":"IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.","status":"published","published":"2026-09-18T16:09:44Z","modified":"2026-09-19T03:56:53Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:06.992666Z"}],"ghsa":[{"id":"GHSA-cp5w-2cmm-55wp","title":"IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute...","description":"IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.","status":"published","published":"2026-09-18T18:31:40Z","modified":"2026-09-18T18:31:56Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:12:11.358904Z"}],"nvd":[{"id":"CVE-2026-11381","description":"IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.","status":"published","published":"2026-09-18T16:17:05.767Z","modified":"2026-09-19T04:17:53.313Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:49.70655Z"}]}}