{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0.0.0-20230506025312-76913a9fd5c6","last_affected":"0.0.0-20260212201848-7aac2a2c5b7c"}],"component":"github.com/minio/minio","cve_ids":["CVE-2026-40344"],"ecosystem":"Go","epss":0.00418,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-9c4q-hq6p-c237","id":"tcs_01M5KF5ACB2N0JZ8WCRN027882","modified_at":"2026-10-08T08:11:02.200052299Z","published_at":"2026-04-14T00:04:45Z","references":["https://osv.dev/vulnerability/GHSA-9c4q-hq6p-c237","https://github.com/minio/minio/security/advisories/GHSA-9c4q-hq6p-c237","https://nvd.nist.gov/vuln/detail/CVE-2026-40344","https://github.com/minio/minio/pull/16484","https://github.com/minio/minio/commit/76913a9fd5c6e5c2dbd4e8c7faf56ed9e9e24091","https://github.com/minio/minio"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GHSA-9c4q-hq6p-c237","url":"https://osv.dev/vulnerability/GHSA-9c4q-hq6p-c237"}],"summary":"MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads"}