SeaweedFS: Unauthenticated SSRF with response read-back via VolumeServer.FetchAndWriteNeedle

Impact VolumeServer.FetchAndWriteNeedle fetches a caller-supplied remote endpoint and writes the response into a needle. Before 4.24 this RPC performed no authentication and no validation of the target, so anyone able to reach a volume server's gRPC port could coerce the server into issuing...

GHSA-87FV-VQQR-M4JR SeaweedFS: Unauthenticated SSRF with response read-back via VolumeServer.FetchAndWriteNeedle

Impact VolumeServer.FetchAndWriteNeedle fetches a caller-supplied remote endpoint and writes the response into a needle. Before 4.24 this RPC performed no authentication and no validation of the target, so anyone able to reach a volume server's gRPC port could coerce the server into issuing...

CVE-2026-73080 SeaweedFS: Unauthenticated SSRF with response read-back via VolumeServer.FetchAndWriteNeedle

SeaweedFS is a distributed storage system. Prior to 4.24, VolumeServer.FetchAndWriteNeedle in weed/server/volumegrpcremote.go fetches a caller-supplied remote endpoint through weed/remotestorage/s3/s3storageclient.go and writes the response into a needle. The RPC performs no authentication and no...

CVE-2026-73080 SeaweedFS: Unauthenticated SSRF with response read-back via VolumeServer.FetchAndWriteNeedle

SeaweedFS is a distributed storage system. Prior to 4.24, VolumeServer.FetchAndWriteNeedle in weed/server/volumegrpcremote.go fetches a caller-supplied remote endpoint through weed/remotestorage/s3/s3storageclient.go and writes the response into a needle. The RPC performs no authentication and no...

CVE-2026-73080 SeaweedFS: Unauthenticated SSRF with response read-back via VolumeServer.FetchAndWriteNeedle

SeaweedFS is a distributed storage system. Prior to 4.24, VolumeServer.FetchAndWriteNeedle in weed/server/volumegrpcremote.go fetches a caller-supplied remote endpoint through weed/remotestorage/s3/s3storageclient.go and writes the response into a needle. The RPC performs no authentication and no...

CVE-2026-73080

SeaweedFS: Unauthenticated SSRF via VolumeServer.FetchAndWriteNeedle (weed/server/volume_grpc_remote.go) allows a caller to fetch a caller-supplied remote endpoint through s3_storage_client.go and read the response, without authentication or target validation on the gRPC port. This enables reachi...

CVE-2026-72920

SeaweedFS is a distributed storage system. Prior to 4.24, the filer registers the SeaweedIdentityAccessManagement gRPC service without mandatory authentication when jwt.filersigning.key is unset, allowing any client that can reach the filer gRPC port to invoke CreateUser, CreateAccessKey,...

CVE-2026-18636

The Velociraptor gRPC API has a VFSGetBuffer endpoint which allows reading files from the datastore. To prevent users from reading sensitive files or accessing other orgs, the requested path is prefix checked against a list of denied prefixes. This prefix check can be bypassed allowing a user to...

EUVD-2026-56178

The Velociraptor gRPC API has a VFSGetBuffer endpoint which allows reading files from the datastore. To prevent users from reading sensitive files or accessing other orgs, the requested path is prefix checked against a list of denied prefixes. This prefix check can be bypassed allowing a user to...

CVE-2026-18636 Velociraptor VFSGetBuffer API path deny list bypass

The Velociraptor gRPC API has a VFSGetBuffer endpoint which allows reading files from the datastore. To prevent users from reading sensitive files or accessing other orgs, the requested path is prefix checked against a list of denied prefixes. This prefix check can be bypassed allowing a user to...

CVE-2026-18636 Velociraptor VFSGetBuffer API path deny list bypass

The Velociraptor gRPC API has a VFSGetBuffer endpoint which allows reading files from the datastore. To prevent users from reading sensitive files or accessing other orgs, the requested path is prefix checked against a list of denied prefixes. This prefix check can be bypassed allowing a user to...

CVE-2026-18636 Velociraptor VFSGetBuffer API path deny list bypass

The Velociraptor gRPC API has a VFSGetBuffer endpoint which allows reading files from the datastore. To prevent users from reading sensitive files or accessing other orgs, the requested path is prefix checked against a list of denied prefixes. This prefix check can be bypassed allowing a user to...

CVE-2026-18636

The CVE affects Velociraptor’s gRPC API (VFSGetBuffer) where a path-prefix denial check can be bypassed, enabling a user with ROOT read permission to access files in other orgs. The CVSS metrics indicate a NETWORK exploit with LOW complexity and HIGH confidentiality impact, requiring HIGH privile...

CVE-2026-72920 SeaweedFS: Unauthenticated filer IAM gRPC service grants S3 administrative control

SeaweedFS is a distributed storage system. Prior to 4.24, the filer registers the SeaweedIdentityAccessManagement gRPC service without mandatory authentication when jwt.filersigning.key is unset, allowing any client that can reach the filer gRPC port to invoke CreateUser, CreateAccessKey,...

CVE-2026-72920

CVE-2026-72920 affects SeaweedFS before version 4.24. The SeaweedIdentityAccessManagement gRPC service is registered without mandatory authentication when jwt.filer_signing.key is unset, allowing any client able to reach the filer’s gRPC port to invoke CreateUser, CreateAccessKey, PutPolicy, and ...

CVE-2026-72920 SeaweedFS: Unauthenticated filer IAM gRPC service grants S3 administrative control

SeaweedFS is a distributed storage system. Prior to 4.24, the filer registers the SeaweedIdentityAccessManagement gRPC service without mandatory authentication when jwt.filersigning.key is unset, allowing any client that can reach the filer gRPC port to invoke CreateUser, CreateAccessKey,...

CVE-2026-72920 SeaweedFS: Unauthenticated filer IAM gRPC service grants S3 administrative control

SeaweedFS is a distributed storage system. Prior to 4.24, the filer registers the SeaweedIdentityAccessManagement gRPC service without mandatory authentication when jwt.filersigning.key is unset, allowing any client that can reach the filer gRPC port to invoke CreateUser, CreateAccessKey,...

CVE-2026-18972

An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header "Grpc-Metadata-USER". This can lead to an account takeover attack from a user with low privileges to administrator...

CVE-2026-18972

An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header "Grpc-Metadata-USER". This can lead to an account takeover attack from a user with low privileges to administrator...

EUVD-2026-56127

An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header "Grpc-Metadata-USER". This can lead to an account takeover attack from a user with low privileges to administrator...