BIT-MINIO-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 2023.05.18 and prior to 2026.04.11, 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 objects to any bucket without knowing t...

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...

PT-2026-32435

MinIO is a high-performance object storage system. From RELEASE.2018-08-18T03-49-57Z to before RELEASE.2025-12-20T04-58-37Z, MinIO's S3 Select feature is vulnerable to memory exhaustion when processing CSV files containing lines longer than available memory. The CSV reader's nextSplit function...

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...

MinIO affected a DoS via Unbounded Memory Allocation in S3 Select CSV Parsing

Impact What kind of vulnerability is it? Who is impacted? MinIO's S3 Select feature is vulnerable to memory exhaustion when processing CSV files containing lines longer than available memory. The CSV reader's nextSplit function calls bufio.Reader.ReadBytes'\n' with no size limit, buffering the...

CVE-2026-39414

MinIO is a high-performance object storage system. From RELEASE.2018-08-18T03-49-57Z to before RELEASE.2025-12-20T04-58-37Z, MinIO's S3 Select feature is vulnerable to memory exhaustion when processing CSV files containing lines longer than available memory. The CSV reader's nextSplit function...

PT-2026-31438

Name of the Vulnerable Software and Affected Versions MinIO versions RELEASE.2018-08-18T03-49-57Z through RELEASE.2025-12-20T04-58-37Z Description MinIO's S3 Select feature is susceptible to memory exhaustion when handling CSV files with lines exceeding available memory. The nextSplit function...

SUSE CVE-2026-34204

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-...

CVE-2026-34204

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-...

CVE-2026-34204 MinIO is Vulnerable to SSE Metadata Injection via Replication Headers

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-...

CVE-2026-34204

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-...

GHSA-3RH2-V3GR-35P9 MinIO is Vulnerable to SSE Metadata Injection via Replication Headers

Impact What kind of vulnerability is it? Who is impacted? 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. The...

Missing Authorization

Overview github.com/minio/minio is a high performance object storage server compatible with Amazon S3 APIs. Affected versions of this package are vulnerable to Missing Authorization via the extractMetadataFromMime function. An attacker can make objects permanently unreadable by injecting crafted...

Content-MD5 HTTP header is required for Put Object requests with Object Lock parameters

Challenge Jobs targeting an S3-Compatible repository fail with either of the following errors: Error: S3 error: Content-MD5 HTTP header is required for Put Object requests with Object Lock parameters Code: InvalidRequest Agent failed to process method S3 error: Checksum Type mismatch occurred,...

CVE-2024-47866

Ceph is a distributed object, block, and file storage platform. In versions up to and including 19.2.3, using the argument x-amz-copy-source to put an object and specifying an empty string as its content leads to the RGW daemon crashing, resulting in a DoS attack. As of time of publication, no...

UBUNTU-CVE-2023-7122

iommufd: Do not UAF during iommufdputobject...