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critical CVE-2026-6721

IBM Concert: Code execution possible

NVD (NIST) reports one vulnerability in IBM Concert with severity critical. The stated impact is code execution. Affected: CVE-2026-6721. The full description, affected versions and recommended action are available from NVD (NIST).

Attack vector
over the network
Access needed
none
CVSS
9.8

What this means for you

An attacker can run their own code on the system. The first question is reachability from the internet — if it is given, the update belongs ahead of the regular maintenance window.

Contact

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