CVE-2026-15266

Multiple Vulnerabilities in IBM Concert Software

Published Nov 8, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

IBM strongly recommends addressing these vulnerabilities now by upgrading to IBM Concert Software 3.1.0 Download IBM Concert Software 3.1.0 from Container software library section of IBM Entitled Registry ( ICR https://myibm.ibm.com/products-services/containerlibrary ) and follow  installation instructions https://www.ibm.com/docs/en/concert  depending on the type of deployment.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Multiple Vulnerabilities in IBM Concert Software
First Time appeared Ibm
Ibm concert
Weaknesses CWE-78
CPEs cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:concert:1.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm concert
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Nov 10, 2026, 4:56 AM
Reserved
Jul 9, 2026, 2:11 PM
Status
Undergoing Analysis
Published
Nov 8, 2026, 6:17 PM
Modified
Nov 10, 2026, 5:18 AM