{"id":"CVE-2026-34204","revision":"66b72ccb88574af4877522091828f2cf","records":[{"revision":"66b72ccb88574af4877522091828f2cf","observedAt":"2026-10-25T08:17:29.602+00:00","statement":{"source":"nvd","id":"CVE-2026-34204","aliases":[],"title":"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 metad…","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":"2026-03-31T20:16:28.583+00:00","modifiedAt":"2026-07-24T20:10:00.147+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","score":7.1,"severity":"HIGH"}],"references":["https://github.com/minio/minio/security/advisories/GHSA-3rh2-v3gr-35p9"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-34204","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-287"],"productCriteria":["cpe:2.3:a:minio:minio:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-03-31T20:16:28.583","lastModified":"2026-07-24T20:10:00.147"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-34204","identifiers":["CVE-2026-34204"]},"retained":false,"historicalAffected":[]}],"coverage":[]}