Disclosure summary
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.
Source-reported weakness categories
CWE-862
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-107725
Open original source · Updated Oct 09, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
GitHub Reviewed Security Advisories · GHSA-w294-6q5q-53p8
Open original source · Updated Oct 08, 2026
Hazelcast has an authorization bypass in IMap Predicates API
Source severity: HIGH / 8.7
| Ecosystem | Package | Affected range | First patched |
|---|---|---|---|
| maven | com.hazelcast:hazelcast | = 5.6.0 | 5.7.0 |
| maven | com.hazelcast:hazelcast | >= 5.5.0, < 5.5.10 | 5.7.0 |
| maven | com.hazelcast:hazelcast | < 5.4.5 | 5.7.0 |
Original records & references
PUBLISHED 2026-10-08T18:17:28-04:00
MODIFIED 2026-10-09T12:35:35-04:00
INGESTED 2026-10-10T20:55:03-04:00