{"id":"CVE-2026-6730","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-6730","generatedAt":"2026-10-28T01:48:11.403Z","title":"IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking.","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.","published":"2026-09-23T21:17:02.000Z","lastModified":"2026-09-28T20:47:20.000Z","status":"Analyzed","sourceIdentifier":"psirt@us.ibm.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120"],"affected":["ibm/concert"],"epss":{"score":0.0031,"percentile":0.23622,"date":"2026-10-26","history":[{"date":"2026-09-24","score":0.0044,"percentile":0.35564}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-09-28T22:15:07.000Z","detail":{"from":"9.8","score":"7.8","severity":"HIGH","fromSeverity":"CRITICAL"},"summary":"Now scored CVSS 7.8 HIGH (was 9.8)."},{"kind":"new","label":"New CVE","at":"2026-09-23T21:17:02.000Z","detail":{"score":"9.8","severity":"CRITICAL","publishedAt":"2026-09-23T21:17:02.053Z"},"summary":"New CVE, high severity (CVSS 7.8)."}],"references":[{"url":"https://www.ibm.com/support/pages/node/7288830","tags":["Vendor Advisory"],"source":"psirt@us.ibm.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-6730","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}