CVE-2026-97731

MinIO through 7aac2a2 does not verify that every x-amz- header present on a request also appears in the client-supplied X-Amz-SignedHeaders list. extractSignedHeaders in cmd/signature-v4-utils.go iterates only the claimed list and never enumerates the headers that actually arrived, and thus a...

CVE-2026-97731

MinIO through 7aac2a2 does not verify that every x-amz- header present on a request also appears in the client-supplied X-Amz-SignedHeaders list. extractSignedHeaders in cmd/signature-v4-utils.go iterates only the claimed list and never enumerates the headers that actually arrived, and thus a...

CVE-2026-94368

A flaw was found in the signature verification logic of noobaa-core, the core component of the NooBaa Multicloud Object Gateway. The issue occurs when the service processes S3 presigned URLs using Signature Version 4 SigV4. Due to improper validation, the service fails to reject requests containi...

CVE-2026-94368 Noobaa-core: noobaa-core: presigned put url escalation to copyobject via unsigned x-amz-copy-source header

A flaw was found in the signature verification logic of noobaa-core, the core component of the NooBaa Multicloud Object Gateway. The issue occurs when the service processes S3 presigned URLs using Signature Version 4 SigV4. Due to improper validation, the service fails to reject requests containi...

CVE-2026-94368 Noobaa-core: noobaa-core: presigned put url escalation to copyobject via unsigned x-amz-copy-source header

A flaw was found in the signature verification logic of noobaa-core, the core component of the NooBaa Multicloud Object Gateway. The issue occurs when the service processes S3 presigned URLs using Signature Version 4 SigV4. Due to improper validation, the service fails to reject requests containi...

CVE-2026-94368

NooBaa-core , the core component of the NooBaa Multicloud Object Gateway , contains a flaw in its SigV4 signature verification logic. When processing S3 presigned URLs, the service drops unsigned x-amz- headers from the signature calculation instead of rejecting them. An attacker holding a valid ...

EUVD-2026-83898

A flaw was found in the signature verification logic of noobaa-core, the core component of the NooBaa Multicloud Object Gateway. The issue occurs when the service processes S3 presigned URLs using Signature Version 4 SigV4. Due to improper validation, the service fails to reject requests containi...

CVE-2026-94368

A flaw was found in the signature verification logic of noobaa-core, the core component of the NooBaa Multicloud Object Gateway. The issue occurs when the service processes S3 presigned URLs using Signature Version 4 SigV4. Due to improper validation, the service fails to reject requests containi...

Astra Linux – Vulnerability in Ceph

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

GO-2026-6327 SeaweedFS: Path traversal in the S3 gateway X-Amz-Copy-Source header allows cross-bucket object read in github.com/seaweedfs/seaweedfs

SeaweedFS: Path traversal in the S3 gateway X-Amz-Copy-Source header allows cross-bucket object read in github.com/seaweedfs/seaweedfs...

SeaweedFS: Path traversal in the S3 gateway X-Amz-Copy-Source header allows cross-bucket object read

Summary The SeaweedFS S3 API gateway did not reject .. path segments in the X-Amz-Copy-Source header used by CopyObject and UploadPartCopy. The request URL path was hardened against traversal in 4.30 CVE-2026-54917, but the copy-source header was only checked for emptiness, so a .. segment in the...

GHSA-56WQ-X3WV-3FF4 SeaweedFS: Path traversal in the S3 gateway X-Amz-Copy-Source header allows cross-bucket object read

Summary The SeaweedFS S3 API gateway did not reject .. path segments in the X-Amz-Copy-Source header used by CopyObject and UploadPartCopy. The request URL path was hardened against traversal in 4.30 CVE-2026-54917, but the copy-source header was only checked for emptiness, so a .. segment in the...

CVE-2026-71191

In OpenStack Swift through 2.38.0, S3API middleware does not enforce that semantic x-amz- headers are covered by the SigV4 signature on presigned URL requests. An attacker who obtains a presigned PUT URL can inject an unsigned X-Amz-Copy-Source header, causing Swift to perform a server-side copy...

CVE-2026-71191

In OpenStack Swift through 2.38.0, S3API middleware does not enforce that semantic x-amz- headers are covered by the SigV4 signature on presigned URL requests. An attacker who obtains a presigned PUT URL can inject an unsigned X-Amz-Copy-Source header, causing Swift to perform a server-side copy...

EUVD-2026-53049

In OpenStack Swift through 2.38.0, S3API middleware does not enforce that semantic x-amz- headers are covered by the SigV4 signature on presigned URL requests. An attacker who obtains a presigned PUT URL can inject an unsigned X-Amz-Copy-Source header, causing Swift to perform a server-side copy...

CVE-2026-71191

In OpenStack Swift through 2.38.0, S3API middleware does not enforce that semantic x-amz- headers are covered by the SigV4 signature on presigned URL requests. An attacker who obtains a presigned PUT URL can inject an unsigned X-Amz-Copy-Source header, causing Swift to perform a server-side copy...

CVE-2026-71191

OpenStack Swift (through 2.38.0) is affected by a vulnerability in the S3API middleware where presigned URL requests do not ensure that semantic x-amz-* headers are covered by the SigV4 signature. An attacker with a presigned PUT URL can inject an unsigned X-Amz-Copy-Source header, triggering a s...

CVE-2026-71191

In OpenStack Swift through 2.38.0, S3API middleware does not enforce that semantic x-amz- headers are covered by the SigV4 signature on presigned URL requests. An attacker who obtains a presigned PUT URL can inject an unsigned X-Amz-Copy-Source header, causing Swift to perform a server-side copy...

CVE-2026-71191: Incorrect Authorization

In OpenStack Swift through 2.38.0, S3API middleware does not enforce that semantic x-amz- headers are covered by the SigV4 signature on presigned URL requests. An attacker who obtains a presigned PUT URL can inject an unsigned X-Amz-Copy-Source header, causing Swift to perform a server-side copy...

Linux Distros Unpatched Vulnerability : CVE-2026-71191

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In OpenStack Swift through 2.38.0, S3API middleware does not enforce that semantic x-amz- headers are covered by the SigV4 signature on presigned URL requests. ...