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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in migration-planner. The agent-API middleware processes JSON Web Tokens (JWTs) for authentication, but its UpdateSourceInventory and UpdateAgentStatus handlers fail to validate the source_id claim within these tokens against the requested source ID. This oversight allows an authenticated attacker with a valid agent token to manipulate data across different tenants, leading to a complete collapse of tenant isolation. This could result in unauthorized overwriting of victim inventory, planting of malicious credential URLs, or corruption of migration assessments."}], "id": "CVE-2026-53471", "lastModified": "2026-06-10T19:24:04.320", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.8, "source": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2026-06-10T15:16:41.703", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-53471"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487070"}, {"source": "secalert@redhat.com", "url": "https://github.com/kubev2v/migration-planner/pull/1213"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "secalert@redhat.com", "type": "Primary"}]}

{"bugzilla": {"description": "migration-planner: Agent API Ignores JWT source_id Claim", "id": "2487070", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487070"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-639", "details": ["A flaw was found in migration-planner. The agent-API middleware processes JSON Web Tokens (JWTs) for authentication, but its UpdateSourceInventory and UpdateAgentStatus handlers fail to validate the source_id claim within these tokens against the requested source ID. This oversight allows an authenticated attacker with a valid agent token to manipulate data across different tenants, leading to a complete collapse of tenant isolation. This could result in unauthorized overwriting of victim inventory, planting of malicious credential URLs, or corruption of migration assessments."], "name": "CVE-2026-53471", "public_date": "2026-06-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53471\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53471\nhttps://github.com/kubev2v/migration-planner/pull/1213"], "threat_severity": "Important"}

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