{"id":"CVE-2026-34204","revision":"9bc679df812848f1ae2e523a019501f7","records":[{"revision":"9bc679df812848f1ae2e523a019501f7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-34204","aliases":[],"title":"MinIO is Vulnerable to SSE Metadata Injection via Replication Headers","description":"MinIO is a high-performance object storage system. Prior to version RELEASE.2026-03-26T21-24-40Z, a flaw in extractMetadataFromMime() allows any authenticated user with s3:PutObject permission to inject internal server-side encryption metadata into objects by sending crafted X-Minio-Replication-* headers on a normal PutObject request. This issue has been patched in version RELEASE.2026-03-26T21-24-40Z.","state":0,"publishedAt":"2026-03-31T19:30:31.057+00:00","modifiedAt":"2026-04-01T13:42:45.444+00:00","affected":[{"ecosystem":"Vendor product","name":"minio","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"minio\",\n                    \"product\": \"minio\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< RELEASE.2026-03-26T21-24-40Z\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"}],"references":["https://github.com/minio/minio/security/advisories/GHSA-3rh2-v3gr-35p9"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-34204","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-34204","identifiers":["CVE-2026-34204"]},"retained":false,"historicalAffected":[]}],"coverage":[]}