Auth bypass in Hazelcast

CVE-2026-107725

Hazelcast is a unified real-time data platform combining stream processing with a fast data store. Prior to 5.4.5, 5.5.10, and 5.6.1, missing authorization checks in the IMap Predicates API allow a malicious client with limited privileges to execute arbitrary code on a Hazelcast cluster member. This issue is fixed in versions 5.4.5, 5.5.10, 5.6.1, and 5.7.0.

Vulnerability class: Broken Access Control

Published · last modified .

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Hazelcast — versions < 5.4.5, >= 5.5.0, < 5.5.10, >= 5.6.0, < 5.6.1

Weakness classification (CWE)

References