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.

INFO

Published Date :

2026-03-31T19:30:31.057Z

Last Modified :

2026-04-01T13:42:45.444Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-34204 vulnerability.

Vendors Products
Minio
  • Minio
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-34204.

URL Resource
https://github.com/minio/minio/security/advisories/GHSA-3rh2-v3gr-35p9 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact