cvedb.io
CVE-2026-34204
HIGH · CVSS 7.1
EPSS exploitation probability: 0%
Published 2026-03-31T20:16:28.583 · Last modified 2026-06-17T10:38:38.777

Summary

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.

Affected products

minio — minio

Does this affect you?

Add your gear to cvedb and we'll alert you only when minio ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.