Report: Ultimate Guide: CVE-2026-34204 - MinIO is Vulnerable to SSE Metadata Injection via Replication Headers
CVE ID :CVE-2026-34204 Published : March 31, 2026, 7:30 p.m. | 44 minutes ago 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. Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...