CVE-2026-10859

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-10859", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-06-04T13:24:14.044Z", "datePublished": "2026-11-04T20:26:15.673Z", "dateUpdated": "2026-11-12T19:42:02.970Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-11-04T20:26:15.673Z"}, "title": "IBM MQ XMS .NET client is affected by an arbitrary code execution vulnerability", "affected": [{"vendor": "IBM", "product": "MQ", "versions": [{"status": "affected", "version": "9.2.0.0", "lessThanOrEqual": "9.2.0.44", "versionType": "semver"}, {"status": "affected", "version": "9.3.0.0", "lessThanOrEqual": "9.3.0.42", "versionType": "semver"}, {"status": "affected", "version": "9.4.0.0", "lessThanOrEqual": "9.4.0.26", "versionType": "semver"}, {"status": "affected", "version": "9.4.0.0", 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deserialization of ObjectMessage payloads.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7294664", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "This issue was addressed under Known Issue DT472703.\n\n\n\nIBM MQ version 9.2 LTS\n\n\n\n Apply cumulative security update 9.2.0.46 https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts \n\n\n\nIBM MQ version 9.3 LTS\n\n\n\n Apply cumulative security update 9.3.0.43 https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts \n\n\n\nIBM MQ version 9.4 LTS\n\n\n\n Apply fix pack 9.4.0.30 https://www.ibm.com/support/pages/downloading-ibm-mq-94 \n\n\n\nIBM MQ version 10.0.LTS\n\n\n\n Upgrade to IBM MQ version 10.0.0.6 https://www.ibm.com/support/pages/downloading-ibm-mq-100 \n\n\n\nIBM MQ version 9.4 CD and 10.0 CD\n\n\n\n Upgrade to IBM MQ version 10.0.1.0 https://www.ibm.com/support/pages/downloading-ibm-mq-100", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>This issue was addressed under Known Issue DT472703.</p><p>IBM MQ version 9.2 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts\" rel=\"noopener noreferrer nofollow\">Apply cumulative security update 9.2.0.46</a></p><p>IBM MQ version 9.3 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts\" rel=\"noopener noreferrer nofollow\">Apply cumulative security update 9.3.0.43</a></p><p>IBM MQ version 9.4 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-94\" rel=\"noopener noreferrer nofollow\">Apply fix pack 9.4.0.30</a></p><p>IBM MQ version 10.0.LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-100\" rel=\"noopener noreferrer nofollow\">Upgrade to IBM MQ version 10.0.0.6</a></p><p>IBM MQ version 9.4 CD and 10.0 CD</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-100\" rel=\"noopener noreferrer nofollow\">Upgrade to IBM MQ version 10.0.1.0</a></p>"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-502", "lang": "en", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-06T04:56:26.094303Z", "id": "CVE-2026-10859", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-12T19:42:02.970Z"}}]}}

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"lessThanOrEqual": "9.4.5.1", "versionType": "semver"}, {"status": "affected", "version": "10.0.0.0", "lessThanOrEqual": "10.0.0.5", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated attacker to execute arbitrary code on consumer applications due to insecure deserialization of ObjectMessage payloads.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated attacker to execute arbitrary code on consumer applications due to insecure deserialization of ObjectMessage payloads.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7294664", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "This issue was addressed under Known Issue DT472703.\n\n\n\nIBM MQ version 9.2 LTS\n\n\n\n Apply cumulative security update 9.2.0.46 https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts \n\n\n\nIBM MQ version 9.3 LTS\n\n\n\n Apply cumulative security update 9.3.0.43 https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts \n\n\n\nIBM MQ version 9.4 LTS\n\n\n\n Apply fix pack 9.4.0.30 https://www.ibm.com/support/pages/downloading-ibm-mq-94 \n\n\n\nIBM MQ version 10.0.LTS\n\n\n\n Upgrade to IBM MQ version 10.0.0.6 https://www.ibm.com/support/pages/downloading-ibm-mq-100 \n\n\n\nIBM MQ version 9.4 CD and 10.0 CD\n\n\n\n Upgrade to IBM MQ version 10.0.1.0 https://www.ibm.com/support/pages/downloading-ibm-mq-100", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>This issue was addressed under Known Issue DT472703.</p><p>IBM MQ version 9.2 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-92-lts\" rel=\"noopener noreferrer nofollow\">Apply cumulative security update 9.2.0.46</a></p><p>IBM MQ version 9.3 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-93-lts\" rel=\"noopener noreferrer nofollow\">Apply cumulative security update 9.3.0.43</a></p><p>IBM MQ version 9.4 LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-94\" rel=\"noopener noreferrer nofollow\">Apply fix pack 9.4.0.30</a></p><p>IBM MQ version 10.0.LTS</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-100\" rel=\"noopener noreferrer nofollow\">Upgrade to IBM MQ version 10.0.0.6</a></p><p>IBM MQ version 9.4 CD and 10.0 CD</p><p><a href=\"https://www.ibm.com/support/pages/downloading-ibm-mq-100\" rel=\"noopener noreferrer nofollow\">Upgrade to IBM MQ version 10.0.1.0</a></p>"}]}]}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-10859", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-11-06T04:56:26.094303Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T11:37:12.519Z"}}]}}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*"], "product": "MQ", "vendor": "IBM", "versions": [{"lessThanOrEqual": "9.2.0.44", "status": "affected", "version": "9.2.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.3.0.42", "status": "affected", "version": "9.3.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.4.0.26", "status": "affected", "version": "9.4.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.4.5.1", "status": "affected", "version": "9.4.0.0", "versionType": "semver"}, {"lessThanOrEqual": "10.0.0.5", "status": "affected", "version": "10.0.0.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*", "matchCriteriaId": "44950C6B-710F-4B6B-BFAE-73E4407F51B9", "versionEndExcluding": "9.2.0.46", "versionStartIncluding": "9.2.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*", "matchCriteriaId": "C068FAC7-7DCA-4E46-9B3F-06F513967C6A", "versionEndExcluding": "9.3.0.43", "versionStartIncluding": "9.3.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*", "matchCriteriaId": "9E0A65D6-9040-41E2-8B5F-3264D565E761", "versionEndExcluding": "9.4.0.30", "versionStartIncluding": "9.4.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:*", "matchCriteriaId": "53BCC172-C8CC-4B55-A7C5-F262E5CC7274", "versionEndIncluding": "9.4.5.1", "versionStartIncluding": "9.4.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:*", "matchCriteriaId": "391B1041-23BF-4298-B1D3-4434C2B923CE", "versionEndExcluding": "10.0.0.6", "versionStartIncluding": "10.0.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*", "matchCriteriaId": "88A41538-EECC-4308-B3D8-F9742A3C2A05", "versionEndExcluding": "10.0.0.6", "versionStartIncluding": "10.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated attacker to execute arbitrary code on consumer applications due to insecure deserialization of ObjectMessage payloads."}], "id": "CVE-2026-10859", "lastModified": "2026-11-12T21:31:32.600", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "psirt@us.ibm.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-10859", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T04:56:26.094303Z", "version": "2.0.3"}}]}, "published": "2026-11-04T21:17:48.103", "references": [{"source": "psirt@us.ibm.com", "tags": ["Vendor Advisory"], "url": "https://www.ibm.com/support/pages/node/7294664"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-502"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.2.0.0,9.2.0.44]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.3.0.0,9.3.0.42]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.4.0.0,9.4.0.26]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.4.0.0,9.4.5.1]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.0.0.0,10.0.0.5]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "MQ", "source": "cna", "vendor": "IBM"}, "product": "mq", "vendor": "ibm"}], "created": "2026-11-04T21:30:09.551361+00:00", "updated": "2026-11-05T01:15:14.482829+00:00", "vendors": ["ibm", "ibm$PRODUCT$mq"], "weaknesses": ["CWE-502"]}