CVE-2016-10750
Deserialization of Untrusted Data in Hazelcast
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2016-10750- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-10750- Updated
- 2026-11-02
EUVDEUVD-2022-4434 No score
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.
- Record
EUVD-2022-4434- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jv65-pf7v-f7p8
Deserialization of Untrusted Data in Hazelcast
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.
- Record
GHSA-jv65-pf7v-f7p8- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2016-10750- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-jv65-pf7v-f7p8
Deserialization of Untrusted Data in Hazelcast
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.
- Record
GHSA-jv65-pf7v-f7p8- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.hazelcast:hazelcastMaven |
before 3.11 | 3.11 |
com.hazelcast:hazelcastMaven |
before 3.11, plus listed versions 1.51.5.11.5.21.5.31.6 Show 45 moreShow less1.6-RC11.71.7-RC11.7-RC21.7-RC31.7-RC41.7.11.81.8.11.8.21.8.31.8.41.8.51.91.9.11.9.1-RC21.9.21.9.2.11.9.2.21.9.2.31.9.31.9.3-RC1.9.3.11.9.3.21.9.3.31.9.3.41.9.41.9.4-RC1.9.4-RC11.9.4.11.9.4.21.9.4.31.9.4.41.9.4.51.9.4.61.9.4.82.02.0-RC12.0-RC22.0.12.0.22.0.32.0.42.12.1.1 |
3.11 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-10750 is a high vulnerability (CVSS 8.1) in Hazelcast, published May 22, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.95%, the 90th percentile. Fixed in com.hazelcast:hazelcast 3.11.
References
Left out here: 126 versions. The JSON record has them.