{"id":"CVE-2026-53471","aliases":["GHSA-2fqw-7c6r-2cq6"],"url":"https://o3.security/vulnerability/CVE-2026-53471","summary":"Migration-planner: agent api ignores jwt source_id claim","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.","published":"2026-06-10T13:55:41.253Z","modified":"2026-08-14T15:56:01.484983986Z","cvss":{"score":9.6,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/kubev2v/migration-planner","fixedVersion":"0.13.5"}],"fix":{"url":"https://github.com/kubev2v/migration-planner/pull/1213","label":"kubev2v/migration-planner#1213"},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-53471"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53471.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53471"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2487070"},{"type":"FIX","url":"https://github.com/kubev2v/migration-planner/pull/1213"},{"type":"PACKAGE","url":"https://github.com/kubev2v/migration-planner"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T15:56:01.484983986Z"}}