Issues

• CREATE DATABASE and RENAME DATABASE accept any name (empty, newline, NUL, '..', '/')

  bug
  memgraph/memgraph#5335 · Filter by author andrejtonev opened on Nov 5, 2026

• DUMP DATABASE writes float values its own output cannot re-import (e+ exponents, vector-index precision, inf)

  bug
  memgraph/memgraph#5333 · Filter by author andrejtonev opened on Nov 5, 2026

• Test incremental-versus-full saturation parity at the production iteration budget

  memgraph/memgraph#5315 · Filter by author Ignition opened on Nov 4, 2026

• Filtered vector search: top-k among nodes matching a predicate (per-user/tenant scoping)

  feature
  memgraph/memgraph#5312 · Filter by author antejavor opened on Nov 3, 2026

• vector_search.search returns deleted nodes until garbage collection runs

  Capability - vector-search
  Bug

  memgraph/memgraph#5306 · Filter by author katarinasupe opened on Nov 3, 2026
  1

• Replica with automatic index creation stops replicating: replicated index DDL fails with "Failed to create label index"

  bug
  memgraph/memgraph#5296 · Filter by author andrejtonev opened on Nov 2, 2026

• node2vec doesn't check for termination during walks or training, so stopped queries keep using memory

  Bug

  memgraph/memgraph#5292 · Filter by author tonijurjevic96 opened on Nov 2, 2026

• node_similarity.jaccard is too slow on small graphs and ignores TERMINATE

  bug
  memgraph/memgraph#5291 · Filter by author tonijurjevic96 opened on Nov 2, 2026

• User profile limits (sessions, transactions_memory) not enforced for usernames with uppercase letters

  bugcustomer
  memgraph/memgraph#5290 · Filter by author tonijurjevic96 opened on Nov 2, 2026

• Checked integer arithmetic: overflow must raise ArithmeticError, never wrap or crash

  memgraph/memgraph#5236 · Filter by author andrejtonev opened on Oct 30, 2026

• Query module C API: iterate a vertex's edges of chosen types only

  memgraph/memgraph#5234 · Filter by author Kevin-Mc-Callister opened on Oct 30, 2026
  1

• Custom --auth-user-or-role-name-regex without a license is accepted at startup, then breaks every CREATE USER

  Bug

  memgraph/memgraph#5220 · Filter by author katarinasupe opened on Oct 28, 2026

• Natural string ordering: ship a natsort.key() query module function

  memgraph/memgraph#5217 · Filter by author Kevin-Mc-Callister opened on Oct 28, 2026

• Vector index config values are narrowed without validation at every entry point (DDL, snapshot recovery, replica apply)

  bug
  memgraph/memgraph#5213 · Filter by author andrejtonev opened on Oct 27, 2026

• [SEVERE BUG] Label-property index loses a committed entry: GC sweep drops it as a duplicate of an uncommitted same-value entry that then rolls back

  memgraph/memgraph#5209 · Filter by author Kevin-Mc-Callister opened on Oct 27, 2026
  1

• text_search.search_all with a large limit aborts the server: the limit is allocated up front

  memgraph/memgraph#5200 · Filter by author jasperblues opened on Oct 25, 2026

• vector_search.search gives a cos index's similarity as |1 - distance|, so opposite vectors score as high as identical ones

  memgraph/memgraph#5199 · Filter by author jasperblues opened on Oct 25, 2026

• CREATE TRIGGER is acknowledged before the trigger is synced to disk; after a power loss the trigger is gone while later data survives

  Bug

  memgraph/memgraph#5189 · Filter by author hanke580 opened on Oct 22, 2026

• schema.assert({}, {}, {}, true) drops one of several uniqueness constraints per call

  memgraph/memgraph#5185 · Filter by author jasperblues opened on Oct 21, 2026

• Deleted node is still matched by a subsequent unlabeled MERGE in the same query

  Bug

  memgraph/memgraph#5184 · Filter by author shulei5831sl opened on Oct 20, 2026

• LIMIT 0 silently suppresses preceding CREATE, SET, REMOVE, and DELETE side effects

  Bug

  memgraph/memgraph#5183 · Filter by author shulei5831sl opened on Oct 20, 2026

• Wrong result: toLower() and toUpper() change only ASCII letters

  Capability - cypher
  Bug

  memgraph/memgraph#5176 · Filter by author Josipmrden opened on Oct 20, 2026
  1

• Wrapping OPTIONAL MATCH in a unit subquery changes visibility of preceding CREATE writes

  Bug

  memgraph/memgraph#5174 · Filter by author YGY-001 opened on Oct 20, 2026

• # Deleted node is still matched by a subsequent unlabeled MERGE in the same query

  Bug

  memgraph/memgraph#5172 · Filter by author shulei5831sl opened on Oct 19, 2026

• Ordered comparisons involving NaN return incorrect results

  Bug

  memgraph/memgraph#5171 · Filter by author shulei5831sl opened on Oct 19, 2026