VULNERABILITY INTELLIGENCE

CVE-2026-34204

CVSS score7.1 HIGH
EPSS probability0.13%
CISA KEVNot currently listed
Published2026-03-31
Last modified2026-07-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

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.

Weakness classification

  • security-advisories@github.com: CWE-287

Primary references