v1.18.2

electroplix/Design-Systemv1.18.2Jun 4, 2026by timvisee

AI Summary

A maintenance release for the Qdrant vector database focusing on performance optimizations during shard recovery and critical security patches to prevent authentication bypasses.

Key Highlights

  • Log slow operations during shard WAL recovery
  • Clear cache of ID tracker after building a segment
  • Fix potential infinite loop in optimizer with multi vectors
  • Fix REST auth whitelist bypass on specially crafted paths
  • Fix out of bound heap read with malicious snapshot

Full Release Notes

# Change log

## Improvements

* https://github.com/qdrant/qdrant/pull/9282 - Log slow operations during shard WAL recovery
* https://github.com/qdrant/qdrant/pull/9137 - Clear cache of ID tracker after building a segment
* https://github.com/qdrant/qdrant/pull/9138 - Don't rebuild payload index if changing `on_disk` flag

## Bug Fixes

* https://github.com/qdrant/qdrant/pull/9285 - Fix potential infinite loop in optimizer when using multi vectors with `prevent_unoptimized`
* https://github.com/qdrant/qdrant/pull/9217 - Clean up unfinished segment optimizations on cancellation, don't load them on restart
* https://github.com/qdrant/qdrant/pull/9260 - Fix MatchAny with an empty list being rejected on integer index
* https://github.com/qdrant/qdrant/pull/9239 - Add timeout to shard snapshot streaming endpoint, drop connections not actively read from
* https://github.com/qdrant/qdrant/pull/9215 - Fix abort transfer with resharding not being idempotent
* https://github.com/qdrant/qdrant/pull/9237 - Fix reporting old progress in new snapshot transfers
* https://github.com/qdrant/qdrant/pull/9226 - Fix WAL lock error on Android platforms

## Security

* https://github.com/qdrant/qdrant/pull/9254 - Fix REST auth whitelist bypass on specially crafted paths, resolve route before authorizing
* https://github.com/qdrant/qdrant/pull/9268 - Fix out of bound heap read with malicious snapshot by rejecting incorrect length