Command Execution Vulnerability in IBM Concert
CVE-2026-15266

9.8CRITICAL

Key Information:

Vendor

IBM
Status
Concert
Vendor
CVE Published:
8 November 2026

What is CVE-2026-15266?

IBM Concert versions 1.0 through 3.0.1.1 are vulnerable to command execution due to components that permit unsafe command execution. This flaw can be exploited by attackers to execute arbitrary system commands on the host, potentially leading to system compromise and unauthorized access. Organizations using affected versions should apply patches immediately to mitigate risks associated with this vulnerability.

Affected Version(s)

Concert 1.0 <= 3.0.1.1

References

https://www.ibm.com/support/pages/node/7294607
vendor-advisorypatch

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.