IBM Concert 3.0.1.1 Command Injection (RCE)
CVE-2026-15266 Published on November 8, 2026
Multiple Vulnerabilities in IBM Concert Software
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.
Vulnerability Analysis
CVE-2026-15266 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2026-15266 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2026-15266
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Affected Versions
IBM Concert:- Version 1.0, <= 3.0.1.1 is affected.