CyberSecBulletin

Seaweedfs vulnerabilities

We track 11 vulnerabilities in Seaweedfs products. 11 are rated high or critical, and none are known to be exploited. The most recent was published on October 14, 2026.

11vulnerabilities
3critical
8high
0exploited
8.3average CVSS score

Latest Seaweedfs vulnerabilities

  • 7.1 High severity

    seaweedfs: Use of Hard-coded Cryptographic Key

    CVE-2026-100413Seaweedfs

    SeaweedFS is a distributed storage system for files and blobs. From 4.0.388 until 4.41, the SFTP Helm chart embedded one unencrypted Ed25519 private host key in k8s/charts/seaweedfs/templates/sftp/sftp-secret.yaml as stringData.seaweedfs_sftp_ssh_private_key.

  • 7.1 High severity

    seaweedfs: Incorrect Authorization

    CVE-2026-77611Seaweedfs

    SeaweedFS is a distributed storage system for files and blobs. In versions prior to 4.40, an authenticated S3 principal with permissions scoped to a nested object key can overwrite a different object outside that scope by calling PutObjectAcl on the key it is

  • 7.6 High severity

    seaweedfs: Authorization Bypass Through User-Controlled Key

    CVE-2026-77368Seaweedfs

    SeaweedFS is a distributed storage system for files and blobs. In version 4.39, the filer's TUS resumable-upload handler checks JWT allowed_prefixes scoping only when a session is created, letting a low-privilege tenant hijack another tenant's upload session t

  • 8.1 High severity

    seaweedfs: Incorrect Authorization

    CVE-2026-77317Seaweedfs

    SeaweedFS is a distributed storage system for files and blobs. In versions from 3.88 through 4.39, the SFTP server evaluates configured path permissions with a literal string-prefix comparison, so a user scoped to a path is also granted the same access to any

  • 8.7 High severity

    seaweedfs: Incorrect Authorization

    CVE-2026-77298Seaweedfs

    SeaweedFS is a distributed storage system for files and blobs. In versions 4.39 and earlier, the S3 API accepts an external OIDC JWT sent directly in the Authorization header and maps it to an IAM role without enforcing that role's trust policy, so a federated

  • 9.3 Critical severity

    seaweedfs: Server-Side Request Forgery

    CVE-2026-73080Seaweedfs

    SeaweedFS is a distributed storage system. Prior to 4.24, VolumeServer.FetchAndWriteNeedle in weed/server/volume_grpc_remote.go fetches a caller-supplied remote endpoint through weed/remote_storage/s3/s3_storage_client.go and writes the response into a needle.

  • 8.1 High severity

    seaweedfs: Incorrect Authorization

    CVE-2026-72921Seaweedfs

    SeaweedFS is a distributed storage system. Prior to 4.24, the weed/server/filer_server_handlers.go allowed_prefixes authorization check used strings.HasPrefix on raw path strings, so a filer JWT scoped to /tenant1 also authorized sibling paths such as /tenant1

  • 9.8 Critical severity

    seaweedfs: Missing Authentication for Critical Functionality

    CVE-2026-72920Seaweedfs

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

  • 7.7 High severity

    seaweedfs: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-55874Seaweedfs

    SeaweedFS is a distributed storage system. Prior to 4.34, the S3 API gateway does not reject dot-dot path segments in the X-Amz-Copy-Source header used by CopyObject and UploadPartCopy, allowing an authenticated identity scoped to one bucket to read objects fr

  • 8.1 High severity

    seaweedfs: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-58372Seaweedfs

    SeaweedFS before 4.34 contains a path traversal vulnerability in the S3 gateway DeleteMultipleObjectsHandler that allows authenticated S3 principals with write access to a single bucket to delete arbitrary objects in other tenants' buckets by supplying object

  • 10.0 Critical severity

    seaweedfs: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-54917SeaweedfsEPSS 1.64%

    SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the S3 API gateway and the Iceberg REST catalog gateway construct their routers with mux.NewRouter().SkipClean(true). With path cleaning disable