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CVE-2026-10027

IBM MQ queue manager is vulnerable to unauthenticated remote code execution

CVSS 3.1 8.1 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-10027

Published

IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-10027

Published

MQ

Vendor product

Publisher's version information

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

{
                    "vendor": "IBM",
                    "product": "MQ",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "9.1.0.0",
                            "lessThanOrEqual": "9.1.0.37 LTS",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "9.2.0.0",
                            "lessThanOrEqual": "9.2.0.43 LTS",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "9.3.0.0",
                            "lessThanOrEqual": "9.3.0.41 LTS",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "9.3.0.0",
                            "lessThanOrEqual": "9.3.5.1 CD",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "9.4.0.0",
                            "lessThanOrEqual": "9.4.0.25 LTS",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "9.4.0.0",
                            "lessThanOrEqual": "9.4.5.1 CD",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "10.0.0.0"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:ibm:mq:9.1.0.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:9.1.0.37:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:9.2.0.43:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:9.3.0.41:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:9.3.5.1:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:9.4.0.25:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:*:*:*:*"
                    ]
                }

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