ChangeIntel IT change radar

Public mode

No access to your tenant or devices. Every item links to its source. What this means

CVE-2026-6730

Multiple Vulnerabilities in IBM Concert Software

CVSS 3.1 9.8 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-6730

Published

IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-6730

Published

Concert

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "IBM",
                    "product": "Concert",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.0.0",
                            "lessThanOrEqual": "3.0.0",
                            "versionType": "semver"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:concert:3.0.0:*:*:*:*:*:*:*"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON