CriticalCritical vulnerability

CVE-2026-15266 (CVSS 9.8)

NVD · officialPublished Nov 8, 2026Risk 50/100EPSS 0.9%

IBM Concert 1.0 through 3.0.1.1 contains components that allow potentially unsafe command execution, which could be exploited to run arbitrary system commands on the host.

Technical details

CVSS

9.8

AV:NetworkAC:LowPR:NoneUI:NoneC:HighI:HighA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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