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bdu:2023-08538

EUVD-2026-198192

fkie_cve-2023-33265

In Hazelcast through 5.0.4, 5.1 through 5.1.6, and 5.2 through 5.2.3, executor services don't check client permissions properly, allowing authenticated users to execute tasks on members without the required permissions granted.

GHSA-c5vj-wp4v-mmvx — Hazelcast Executor Services don't check client permissions properly

Affected: Maven: com.hazelcast:hazelcast, Maven: com.hazelcast:hazelcast-enterprise

### Impact In Hazelcast Platform, 5.0 through 5.0.4, 5.1 through 5.1.6, and 5.2 through 5.2.3, and Hazelcast IMDG (all versions up to 4.2.z), Executor Services don't check client permissions properly, allowing authenticated users to execute tasks on members without the required permissions granted.

### Patches Fix versions: 5.3.0, 5.2.4, 5.1.7, 5.0.5

### Workarounds Users are only affected when they already use executor services (i.e., an instance exists as a distributed data structure).

gsd-2023-33265

WID-SEC-W-2023-1785 — Hazelcast IMDG: Schwachstelle Umgehen von Sicherheitsvorkehrungen

Ein lokaler Angreifer kann eine Schwachstelle in Hazelcast IMDG ausnutzen, um Sicherheitsmaßnahmen zu umgehen.