CVE-2026-41145

MinIO is a high-performance object storage system. Starting in RELEASE.2023-05-18T00-05-36Z and prior to RELEASE.2026-04-11T03-20-12Z, an authentication bypass vulnerability in MinIO's STREAMING-UNSIGNED-PAYLOAD-TRAILER code path allows any user who knows a valid access key to write arbitrary...

CVE-2026-41145

MinIO contains an authentication bypass in the STREAMING-UNSIGNED-PAYLOAD-TRAILER code path, affecting releases prior to RELEASE.2026-04-11T03-20-12Z. An attacker with a valid access key (including default minioadmin or any key with WRITE on a bucket) can write objects to any bucket without a val...

CVE-2026-41145 MinIO has an Unauthenticated Object Write via Query-String Credential Signature Bypass in Unsigned-Trailer Uploads

MinIO is a high-performance object storage system. Starting in RELEASE.2023-05-18T00-05-36Z and prior to RELEASE.2026-04-11T03-20-12Z, an authentication bypass vulnerability in MinIO's STREAMING-UNSIGNED-PAYLOAD-TRAILER code path allows any user who knows a valid access key to write arbitrary...

Improper Authentication

Overview github.com/minio/minio/cmd is an open source object storage server compatible with Amazon S3 APIs. Affected versions of this package are vulnerable to Improper Authentication via the PutObjectHandler and PutObjectPartHandler function. An attacker can gain unauthorized write access to...

Missing Authentication for Critical Function

Overview github.com/minio/minio/cmd is an open source object storage server compatible with Amazon S3 APIs. Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the PutObjectExtractHandler, PutObjectHandler, and PutObjectPartHandler function. An...