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CVE-2026-12355

IBM MQ Resource Adapter IVT servlet is vulnerable to unauthenticated remote code execution

CVSS 3.1 8.1 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-12355

Published

IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow an attacker to perform JNDI injection attacks due to insufficient input validation, potentially leading to information disclosure or remote code execution.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-12355

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