CVE-2026-6721

CriticalCVSS 9.8/10Last modified Sep 28, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 23, 2026
Last modified
Sep 28, 2026
NVD status
Analyzed

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CVE-2026-6721: Critical severity, CVSS 9.8 | Vulnix