{"id":"CVE-2026-6730","aliases":["EUVD-2026-85662","GHSA-9rqq-756h-2hmp"],"status":"published","title":"Multiple Vulnerabilities in IBM Concert Software","description":"IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0031,"percentile":0.24014,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2026-09-23T20:46:27Z","modified":"2026-09-28T20:47:20Z","products":[{"vendor":"ibm","product":"concert"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7288830","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6730"},{"url":"https://github.com/advisories/GHSA-9rqq-756h-2hmp"}],"sources":{"cve":[{"id":"CVE-2026-6730","title":"Multiple Vulnerabilities in IBM Concert Software","description":"IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","status":"published","published":"2026-09-23T20:46:27.964Z","modified":"2026-09-25T03:55:22.696Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-85662","description":"IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","status":"published","published":"2026-09-23T20:46:27Z","modified":"2026-09-25T03:55:22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T17:27:55.846756Z"}],"ghsa":[{"id":"GHSA-9rqq-756h-2hmp","title":"IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds...","description":"IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","status":"published","published":"2026-09-23T21:31:02Z","modified":"2026-09-23T21:31:08Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:12:21.685353Z"}],"nvd":[{"id":"CVE-2026-6730","description":"IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","status":"published","published":"2026-09-23T21:17:02.053Z","modified":"2026-09-28T20:47:20.347Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:12:51.036099Z"}]}}