Full Report
Multiple vulnerabilities have been discovered in IBM Concert Software, the most severe of which could allow for remote code execution. IBM Concert is an agentic IT operations (IT Ops) and resilience platform designed to unify fragmented data, context, and actions across an enterprise's hybrid cloud and IT environments. Successful exploitation of the most severe of these vulnerabilities could allow for remote code execution with the privileges of the affected application.
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in IBM Concert Software
## CVE Details
* **Critical Risk (RCE Focus):**
* **CVE-2026-6721:** OS Command Injection
* **CVE-2026-27794, CVE-2026-10532, CVE-2024-39705, CVE-2025-14920:** Deserialization of Untrusted Data
* **CVE-2025-14009, CVE-2024-6345:** Code Injection
* **CVE-2026-4372:** Missing Serialization Control Element
* **High Risk:**
* **CVE-2026-24747:** Code Injection
* **CVE-2026-6928:** Use-after-free
* **CVE-2026-6730:** Buffer Overflow
* **CVSS Score:** Not explicitly listed in source, but classified as **Critical/High** severity.
* **CWE:** CWE-78 (OS Injection), CWE-502 (Untrusted Deserialization), CWE-94 (Code Injection), CWE-416 (Use-after-free), CWE-120 (Buffer Overflow).
## Affected Systems
* **Products:** IBM Concert Software (Agentic IT Ops and Resilience Platform)
* **Versions:** All versions prior to **3.0.1.1**
* **Configurations:** Default installations of the platform across hybrid cloud and enterprise environments.
## Vulnerability Description
Multiple security flaws exist within IBM Concert's handling of data and code execution. The most severe flaws involve **OS command injection** and **insecure deserialization**. These allow an attacker to bypass standard security controls and execute arbitrary commands or malicious code directly on the underlying server hosting the IBM Concert application. Other flaws include memory management issues (Use-after-free and Buffer Overflows) that can lead to application crashes or arbitrary code execution.
## Exploitation
* **Status:** Not exploited in the wild (as of September 24, 2026).
* **Complexity:** Generally Low to Medium.
* **Attack Vector:** Network (Remote). The primary tactic is "Exploit Public-Facing Application" (ATT&CK T1190).
## Impact
* **Confidentiality:** High (Full access to fragmented enterprise data and unified IT context).
* **Integrity:** High (Potential for unauthorized modification of IT operations and automated actions).
* **Availability:** High (Potential for system takeover or service disruption).
## Remediation
### Patches
* **Update to IBM Concert version 3.0.1.1** or later immediately.
### Workarounds
* IBM recommends applying specific workarounds provided in the official IBM support portal if immediate patching is not feasible. (Note: Specific workaround steps require access to the IBM Support portal).
## Detection
* **Indicators of Compromise:** Monitor for unusual outbound network traffic from the IBM Concert host, unexpected child processes spawned by the application, and unauthorized administrative log-ins.
* **Detection Methods:**
* Conduct authenticated and unauthenticated vulnerability scans using SCAP-compliant tools.
* Review application logs for suspicious serialization errors or unexpected OS command syntax.
## References
* IBM Support Advisory: [https://www.ibm.com/support/pages/node/7288830](https://www.ibm.com/support/pages/node/7288830)
* MITRE CVE Repository: [https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-6721](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-6721)
* CIS Advisory: [https://www.cisecurity.org/advisory/multiple-vulnerabilities-in-ibm-concert-software-could-allow-for-remote-code-execution_2026-100](https://www.cisecurity.org/advisory/multiple-vulnerabilities-in-ibm-concert-software-could-allow-for-remote-code-execution_2026-100)