CVE-2026-116499

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-116499", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-10-26T12:58:16.604Z", "datePublished": "2026-11-08T17:03:54.763Z", "dateUpdated": "2026-11-10T04:56:07.936Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-11-08T17:04:13.456Z"}, "title": "Arbitrary Code Execution in Qiskit SDK QPY Deserialization", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Qiskit SDK", "versions": [{"status": "affected", "version": "1.4.2", "lessThanOrEqual": "2.6.2", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:qiskit_sdk:1.4.2:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:qiskit_sdk:2.6.2:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM Qiskit SDK 1.4.2 through 2.6.2 could allow a local attacker to execute arbitrary code due to deserialization of untrusted data.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM Qiskit SDK 1.4.2 through 2.6.2 could allow a local attacker to execute arbitrary code due to deserialization of untrusted data.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7295238", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.4, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "Remediation/Fixes guidance:\n\n\n\nThe issue is addressed in Qiskit versions v2.6.2. This version is patched to no longer use SymPy internally during deserialization of payloads using QPY format versions < 13.\n\n\n\n\n\nProduct(s)Version(s) number and/or range\u00a0Remediation/Fix/Instructions< Qiskit SDK https://github.com/qiskit/qiskit - qiskit.qpy.load() function>v2.6.2\n\nUpgrade to the patched versions: qiskit v2.6.2.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><strong>Remediation/Fixes guidance</strong>:</p><p>The issue is addressed in Qiskit versions v2.6.2. This version is patched to no longer use SymPy internally during deserialization of payloads using QPY format versions &lt; 13.</p><p></p><div><table><tbody><tr><td><strong>Product(s)</strong></td><td><strong>Version(s) number and/or range\u00a0</strong></td><td><strong>Remediation/Fix/Instructions</strong></td></tr><tr><td>&lt;<a href=\"https://github.com/qiskit/qiskit\" rel=\"nofollow\">Qiskit SDK</a> - qiskit.qpy.load() function&gt;</td><td>v2.6.2</td><td><pre>Upgrade to the patched versions: qiskit v2.6.2.</pre></td></tr></tbody></table></div><p></p>"}]}], "credits": [{"lang": "en", "value": "The vulnerability was reported to IBM by Nathan Rebello.", "type": "finder"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-09T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-116499"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-10T04:56:07.936Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-116499", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-11-09T01:21:51.049326Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-09T01:21:46.992Z"}}], "cna": {"title": "Arbitrary Code Execution in Qiskit SDK QPY Deserialization", "credits": [{"lang": "en", "type": "finder", "value": "The vulnerability was reported to IBM by Nathan Rebello."}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:ibm:qiskit_sdk:1.4.2:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:qiskit_sdk:2.6.2:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "Qiskit SDK", "versions": [{"status": "affected", "version": "1.4.2", "versionType": "semver", "lessThanOrEqual": "2.6.2"}]}], "solutions": [{"lang": "en", "value": "Remediation/Fixes guidance:\n\n\n\nThe issue is addressed in Qiskit versions v2.6.2. This version is patched to no longer use SymPy internally during deserialization of payloads using QPY format versions < 13.\n\n\n\n\n\nProduct(s)Version(s) number and/or range\u00a0Remediation/Fix/Instructions< Qiskit SDK https://github.com/qiskit/qiskit - qiskit.qpy.load() function>v2.6.2\n\nUpgrade to the patched versions: qiskit v2.6.2.", "supportingMedia": [{"type": "text/html", "value": "<p><strong>Remediation/Fixes guidance</strong>:</p><p>The issue is addressed in Qiskit versions v2.6.2. This version is patched to no longer use SymPy internally during deserialization of payloads using QPY format versions &lt; 13.</p><p></p><div><table><tbody><tr><td><strong>Product(s)</strong></td><td><strong>Version(s) number and/or range\u00a0</strong></td><td><strong>Remediation/Fix/Instructions</strong></td></tr><tr><td>&lt;<a href=\"https://github.com/qiskit/qiskit\" rel=\"nofollow\">Qiskit SDK</a> - qiskit.qpy.load() function&gt;</td><td>v2.6.2</td><td><pre>Upgrade to the patched versions: qiskit v2.6.2.</pre></td></tr></tbody></table></div><p></p>", "base64": false}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7295238", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en", "value": "IBM Qiskit SDK 1.4.2 through 2.6.2 could allow a local attacker to execute arbitrary code due to deserialization of untrusted data.", "supportingMedia": [{"type": "text/html", "value": "<p>IBM Qiskit SDK 1.4.2 through 2.6.2 could allow a local attacker to execute arbitrary code due to deserialization of untrusted data.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data"}]}], "providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-11-08T17:04:13.456Z"}}}, "cveMetadata": {"cveId": "CVE-2026-116499", "state": "PUBLISHED", "dateUpdated": "2026-11-10T04:56:07.936Z", "dateReserved": "2026-10-26T12:58:16.604Z", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "datePublished": "2026-11-08T17:03:54.763Z", "assignerShortName": "ibm"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:qiskit_sdk:1.4.2:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:qiskit_sdk:2.6.2:*:*:*:*:*:*:*"], "product": "Qiskit SDK", "vendor": "IBM", "versions": [{"lessThanOrEqual": "2.6.2", "status": "affected", "version": "1.4.2", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Qiskit SDK 1.4.2 through 2.6.2 could allow a local attacker to execute arbitrary code due to deserialization of untrusted data."}], "id": "CVE-2026-116499", "lastModified": "2026-11-10T05:17:50.647", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 5.9, "source": "psirt@us.ibm.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-116499", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-09T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-11-08T17:16:36.870", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7295238"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "psirt@us.ibm.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.4.2,2.6.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Qiskit SDK", "source": "cna", "vendor": "IBM"}, "product": "qiskit_sdk", "vendor": "ibm"}], "created": "2026-11-08T18:30:11.971190+00:00", "updated": "2026-11-08T19:00:13.836015+00:00", "vendors": ["ibm", "ibm$PRODUCT$qiskit_sdk"]}