CVE-2026-19795

{"id": "CVE-2026-19795", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19795", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-04T13:26:19.128569Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.5}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"cpes": ["cpe:2.3:a:ibm:qiskit_sdk:2.1.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:qiskit_sdk:2.5.1:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "Qiskit SDK", "versions": [{"status": "affected", "version": "2.1.0", "versionType": "semver", "lessThanOrEqual": "2.5.1"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-03T20:17:19.790", "references": [{"url": "https://www.ibm.com/support/pages/node/7285932", "source": "psirt@us.ibm.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "Qiskit could allow a local attacker to cause a denial of service due to a stack overflow during deserialization of QPY payloads. A malicious QPY payload can trigger a segmentation fault, causing the application to crash when deserializing untrusted input."}], "lastModified": "2026-09-08T14:17:08.940", "sourceIdentifier": "psirt@us.ibm.com"}