Executive brief
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.
Junglewise Threat Intelligence
CVE-2026-6730: 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 buff
CVE-2026-6730 · Severity: critical · CVSS 9.8 · Published 2026-09-23