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Vulnerability record · CVE-2026-6730 · published 23 September 2026

CVE-2026-6730: Classic buffer overflow vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 0.44% · top 64.2% CWE-120 · Classic buffer overflow Awaiting Analysis
9.8CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
25 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://www.ibm.com/support/pages/node/7288830

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Source: NIST National Vulnerability Database (record CVE-2026-6730), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.