CVE-2026-6721

9.8 criticalEPSS 1.2%

Critical (9.8) in ibm concert. EPSS 1.2% chance of exploitation in the next 30 days.

IBM Concert 1.0.0 through 3.0.0 allows an unauthenticated remote attacker can supply specially crafted input that is incorporated into OS commands, resulting in arbitrary command execution on the underlying system. Successful exploitation allows remote code execution with the privileges of the affected application.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2026-09-23
Modified: 2026-09-28
Record from: the NVD, synced 2026-10-19

Affected

ibm:concert

References

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

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