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Memgraph crashes (SIGSEGV) when executing exists {} subquery expression

Status: Open.

Bug

#4485 In memgraph/memgraph;

· hkjiang26 opened on Jul 25, 2026

Memgraph container crashes (SIGSEGV) when executing a list comprehension with an EXISTS subquery

Status: Open.

Bug

#4478 In memgraph/memgraph;

· hkjiang26 opened on Jul 24, 2026

Internal query engine error triggered by a node-path comparison in an EXISTS subquery

Status: Open.

Bug

#4477 In memgraph/memgraph;

· hkjiang26 opened on Jul 24, 2026

vector_search.search() silently accepts query vectors whose dimensions do not match the index

Status: Open.

Bug

#4476 In memgraph/memgraph;

· shulei5831sl opened on Jul 24, 2026

List comprehension over collect() silently binds every element to the first collected node's properties (wrong results, no error) - reproduces on 3.9.0 through 3.12.0

Status: Open.

Bug

#4474 In memgraph/memgraph;

· Vxatz opened on Jul 23, 2026

Cache query plans for queries that CALL procedures

Capability - modules & proceduresThe issue or request related to proceduresThe issue or request related to procedures

Capability - speed or performance

enhancementenhancementenhancement

Status: Open.

#4469 In memgraph/memgraph;

· imilinovic opened on Jul 23, 2026

mgp property getters bypass fine-grained access control (denied property values leak to modules)

bugbugbug

Capability - modules & proceduresThe issue or request related to proceduresThe issue or request related to procedures

Capability - security

enterprise

Status: Open.

#4467 In memgraph/memgraph;

· imilinovic opened on Jul 23, 2026

mgp_execute_query: returning a node/relationship/path from a sub-query is a use-after-free

bugbugbug

Capability - modules & proceduresThe issue or request related to proceduresThe issue or request related to procedures

Capability - stability

Status: Open.

#4466 In memgraph/memgraph;

· imilinovic opened on Jul 23, 2026

pymgclient crashes when fetching point values on Windows

Status: Open.

Bug

#4462 In memgraph/memgraph;

· hkjiang26 opened on Jul 22, 2026

Double negation prevents an indexed equality from using the property index

Status: Open.

Bug

#4459 In memgraph/memgraph;

· YaeSakuraQ opened on Jul 21, 2026

Moving a relationship type to WHERE type(r) causes a large slowdown

Status: Open.

Bug

#4458 In memgraph/memgraph;

· YaeSakuraQ opened on Jul 21, 2026

An exact zero-hop path performs unnecessary variable-length expansion work

Status: Open.

Bug

#4457 In memgraph/memgraph;

· YaeSakuraQ opened on Jul 21, 2026