CVE-2016-10750

Severity: high (CVSS 8.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-05-22 · updated 2026-06-17
Weakness: CWE-502

Description

In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.

Affected products

hazelcast: before 3.11 — fixed in 3.11

How to fix

Upgrade to a fixed version: hazelcast 3.11. Check the vendor advisory for mitigations.

References

https://access.redhat.com/errata/RHSA-2019:2413
https://github.com/hazelcast/hazelcast/issues/8024
https://github.com/hazelcast/hazelcast/pull/12230
https://access.redhat.com/errata/RHSA-2019:2413
https://github.com/hazelcast/hazelcast/issues/8024
https://github.com/hazelcast/hazelcast/pull/12230

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