seaweedfs

v4.25 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 20d Cloud Management

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

blob-storage cloud-drive distributed-file-system distributed-storage distributed-systems erasure-coding

+10 more

fuse hadoop-hdfs hdfs kubernetes s3 posix replication s3-storage seaweedfs tiered-file-system

Affected surfaces

auth

Summary

AI summary

Admin UI issues with security.toml configuration are fixed.

Changes in this release

Type	Severity	Summary	CVE
Feature	Medium	Admin UI attaches admin-signed Bearer token on filer IAM gRPC calls. Admin UI attaches admin-signed Bearer token on filer IAM gRPC calls. Source: llm_adapter@2026-05-21 Confidence: high	—
Performance	Medium	Docker image tags latest in unified release instead of rebuilding. Docker image tags latest in unified release instead of rebuilding. Source: llm_adapter@2026-05-21 Confidence: low	—
Bugfix	Medium	Erasure coding clears cross-server stale EC shards before re-distribute. Erasure coding clears cross-server stale EC shards before re-distribute. Source: llm_adapter@2026-05-21 Confidence: high	—

Full changelog

Note

This is a quick follow up for 4.24. It is safe to upgrade.

The erasure coding with multi-disk servers needs to recover automatically from previous failures.
The added security checking caused Admin UI not working well. Users with security.toml configured may get into this.

What's Changed

Admin UI
- admin: attach admin-signed Bearer token on filer IAM gRPC calls by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/9498
Erasure Coding
- fix(ec): clear cross-server stale EC shards before re-distribute (#9478) by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/9499
Docker image
- ci(docker): tag latest in unified release instead of rebuilding by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/9500

Full Changelog: https://github.com/seaweedfs/seaweedfs/compare/4.24...4.25

View diff on GitHub

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About seaweedfs

SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.

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Related context

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Earlier breaking changes

v4.24 Version 4.23 is unsafe with multiple disks when using erasure coding (EC).