by Kastro
Paper/Archive/CVE-2026-6721

CVE-2026-6721

IBM Concert — Multiple Vulnerabilities in IBM Concert Software

EPSS 1%CVSS 9.8
critical.is priorityof 100
43
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 68.1.681 × 2013.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Concert1.0.0 – 3.0.0–CNA

Scores by source

ibm (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchibm.com/support/pages/node/7288830