CVE-2026-6721

critical · 9.8

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.

9.8

CVSS

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EPSS (exploit prob.)

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EPSS percentile

2026-09-23

Published

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

Weaknesses

CWE-78

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-6721