PT-2026-34234

Name of the Vulnerable Software and Affected Versions MinIO versions RELEASE.2023-05-18T00-05-36Z through RELEASE.2026-04-11T03-20-12Z Description An authentication bypass exists in the STREAMING-UNSIGNED-PAYLOAD-TRAILER code path. An attacker possessing a valid access key can write arbitrary...

PT-2026-34231

Name of the Vulnerable Software and Affected Versions MinIO versions RELEASE.2023-05-18T00-05-36Z through RELEASE.2026-04-11T03-20-12Z Description An authentication bypass exists in the Snowball auto-extract handler PutObjectExtractHandler. This issue allows a user with a valid access key to writ...

GO-2025-3594 MinIO performs incomplete signature validation for unsigned-trailer uploads in github.com/minio/minio

MinIO performs incomplete signature validation for unsigned-trailer uploads in github.com/minio/minio...

CVE-2025-31489 MinIO performs incomplete signature validation for unsigned-trailer uploads

MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. The signature component of the authorization may be invalid, which would mean that as a client you can use any arbitrary secret to upload objects given the user already has prior WRITE permissions on...