# IBM Concert flaws enable remote code execution

Published: 2026-09-24 · Severity: elevated · Sectors: technology
Canonical: https://vorant.io/reports/eb4a9e40-8cdf-5b7f-a037-157bc744daf4/ibm-concert-flaws-enable-remote-code-execution

> Multiple vulnerabilities in IBM Concert Software prior to 3.0.1.1, including critical OS command injection and deserialization flaws, could allow remote code execution.

CISecurity/MS-ISAC has issued an advisory detailing multiple vulnerabilities in IBM Concert Software, an agentic IT operations and resilience platform used to unify data and actions across hybrid cloud and IT environments. The most severe issues include a critical OS command injection vulnerability (CVE-2026-6721) and several deserialization of untrusted data flaws (CVE-2026-27794, CVE-2026-10532, CVE-2024-39705, CVE-2025-14920) that could allow remote code execution. Additional critical-rated code injection and missing serialization control vulnerabilities were also identified, alongside high-severity use-after-free, buffer overflow, and code injection issues that could enable arbitrary code execution.

All affected versions are IBM Concert Software prior to 3.0.1.1. There are currently no reports of these vulnerabilities being exploited in the wild, and successful exploitation would grant an attacker code execution with the privileges of the affected application via exploitation of a public-facing application (MITRE ATT&CK T1190).

Defenders should prioritize patching to version 3.0.1.1 or later, apply IBM-provided workarounds where patching is not immediately possible, and follow standard vulnerability management practices including network segmentation, least privilege, and exploit protection controls as outlined in the CIS Safeguards referenced in the advisory.

## Mentioned in this report

- Vulnerabilities: CVE-2024-39705, CVE-2024-6345, CVE-2025-14009, CVE-2025-14920, CVE-2026-10532, CVE-2026-24747, CVE-2026-27794, CVE-2026-4372, CVE-2026-6721, CVE-2026-6730, CVE-2026-6928

Source reporting: https://www.cisecurity.org/advisory/multiple-vulnerabilities-in-ibm-concert-software-could-allow-for-remote-code-execution_2026-100

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