Issues

• CVE-2026-116366 (unauthenticated RCE): status and backport for 25.3 / 25.8 Altinity Stable

  Altinity/ClickHouse#2754 · Filter by author tomf-riverside opened on Nov 1, 2026

• Remote initiator global JOIN without analyzer fails with 'No alias for subquery or table function in JOIN' after #2228

  antalya-26.6antalya-26.6.8.20003bugswarms
  Altinity/ClickHouse#2748 · Filter by author alsugiliazova opened on Oct 30, 2026

• Iceberg min/max pruning disabled for microsecond timestamp columns after #2239

  antalya-26.6antalya-26.6.8.20003bug
  Altinity/ClickHouse#2747 · Filter by author alsugiliazova opened on Oct 30, 2026

• EXPORT PART: queue the task when the moves pool is saturated, and give split chunks distinct filenames

  Altinity/ClickHouse#2745 · Filter by author minguyen9988 opened on Oct 30, 2026

• Iceberg: fill the v3 write path (deletion vectors, row lineage, v3 manifest schema, column defaults)

  Altinity/ClickHouse#2744 · Filter by author minguyen9988 opened on Oct 30, 2026

• OPTIMIZE on a Glue Iceberg table can drop a commit that lands while it is publishing

  antalyaantalya-26.8
  Bug

  Altinity/ClickHouse#2733 · Filter by author Selfeer opened on Oct 29, 2026
  

• IcebergLocal: aggregates on the partition column scan all data files (no metadata shortcut)

  Altinity/ClickHouse#2731 · Filter by author minguyen9988 opened on Oct 28, 2026

• DataLakeCatalog: table resolved (and REST catalog called) twice per query when object_storage_cluster is set

  Altinity/ClickHouse#2721 · Filter by author BorisTyshkevich opened on Oct 28, 2026
  

• Request: FIPS build for Altinity Stable 26.3 (we can contribute a port)

  Altinity/ClickHouse#2720 · Filter by author iorilan opened on Oct 28, 2026
  2

• Iceberg v3 support reading of encrypted metadata(supported by spark and other java clients)

  antalyaenhancement
  Altinity/ClickHouse#2682 · Filter by author subkanthi opened on Oct 25, 2026

• CAS: fsck stale_edge blobs stay unreclaimable after a replica pause

  antalyaantalya-26.6bug
  Altinity/ClickHouse#2659 · Filter by author DimensionWieldr opened on Oct 23, 2026

• Antalya 26.3: subcolumn of a column-mapped Delta Lake struct reads as NULL with the Arrow Parquet reader

  antalyaantalya-26.3bug
  Altinity/ClickHouse#2622 · Filter by author CarlosFelipeOR opened on Oct 21, 2026

• Iceberg DROP PARTITION: catalog commit split-brain, missing DELETED entries, and total-files-size includes delete files

  antalya
  Altinity/ClickHouse#2620 · Filter by author DimensionWieldr opened on Oct 20, 2026

• FilterTransform does not update _row_number info, so _row_number is wrong after Iceberg equality deletes

  Altinity/ClickHouse#2605 · Filter by author minguyen9988 opened on Oct 18, 2026

• Parquet V3 reader: PREWHERE with a shared sub-expression fails with NOT_FOUND_COLUMN_IN_BLOCK or returns a wrong count

  Altinity/ClickHouse#2604 · Filter by author minguyen9988 opened on Oct 18, 2026

• Analyzer: empty-string comparison rewrite skips LowCardinality(String), so Distributed plans diverge

  Altinity/ClickHouse#2603 · Filter by author minguyen9988 opened on Oct 18, 2026
  1

• Filter on a view over a cluster table function is not sent to the shards

  Altinity/ClickHouse#2602 · Filter by author minguyen9988 opened on Oct 18, 2026

• IcebergLocal: concurrent INSERTs silently lose commits because local object storage ignores If-None-Match

  Altinity/ClickHouse#2601 · Filter by author minguyen9988 opened on Oct 18, 2026

• Iceberg export: sparse and const columns reach the format writer without materialization

  antalyaantalya-26.6
  Altinity/ClickHouse#2600 · Filter by author minguyen9988 opened on Oct 18, 2026

• Parquet Map subcolumns m.keys and m.values silently return empty arrays

  Altinity/ClickHouse#2599 · Filter by author minguyen9988 opened on Oct 18, 2026

• Parquet V3 reader: std::out_of_range from a dropped PREWHERE output slot (backport of #113956)

  Altinity/ClickHouse#2598 · Filter by author minguyen9988 opened on Oct 18, 2026

• extractSubplan drops storage holders and table locks, correlated subqueries can use freed storage

  Altinity/ClickHouse#2597 · Filter by author minguyen9988 opened on Oct 18, 2026

• ReadFromPart in MergeTreeSequentialSource ignores the mark ranges of RangesInDataPart

  Altinity/ClickHouse#2596 · Filter by author minguyen9988 opened on Oct 18, 2026

• CI: arm builds on 25.8 clone abseil-cpp from GitHub during cmake and fail on 401

  antalya-25.8bugstable
  Altinity/ClickHouse#2583 · Filter by author CarlosFelipeOR opened on Oct 16, 2026

• EXPORT PARTITION: force-replace and the new Keeper key can duplicate or strand exports

  antalyabugexport partition
  Altinity/ClickHouse#2576 · Filter by author DimensionWieldr opened on Oct 15, 2026