CVE-2022-36437 — Vulnerability in...
CRITICAL
Hazelcast connection caching
Published December 27, 2022Updated July 8, 2026Source: osv
Summary
### Impact
The Connection handler in Hazelcast and Hazelcast Jet allows an unauthenticated, remote attacker to access and manipulate data in the cluster with another authenticated connection's identity.
The affected Hazelcast versions are through 3.12.12, 4.0.6, 4.1.9, 4.2.5, 5.0.3, and 5.1.2.
The affected Hazelcast Jet versions are through 4.5.3.
### Patches
Hazelcast Jet (and Enterprise) 4.5.4.
Hazelcast IMDG (and Enterprise)3.12.13
Hazelcast IMDG (and Enterprise) 4.1.10
Hazelcast IMDG (and Enterprise) 4.2.6
Hazelcast Platform (and Enterprise) 5.1.3
### Workarounds
There is no known workaround, but setups with TLS and mutual authentication enabled significantly lowers the exploitation risk.
### References
https://support.hazelcast.com/s/article/Security-Advisory-for-CVE-2022-36437
Advisory Timeline
- First published December 27, 2022 (1385 days ago).
- Last revised July 8, 2026 — 1289 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
Maven
Update com.hazelcast:hazelcast-enterprise to 5.0.4 or later<!-- Update pom.xml dependency version to 5.0.4 for com.hazelcast:hazelcast-enterprise -->
Maven
Update com.hazelcast:hazelcast to 5.0.4 or later<!-- Update pom.xml dependency version to 5.0.4 for com.hazelcast:hazelcast -->
Maven
Update com.hazelcast:hazelcast-enterprise to 4.2.6 or later<!-- Update pom.xml dependency version to 4.2.6 for com.hazelcast:hazelcast-enterprise -->
Maven
Update com.hazelcast.jet:hazelcast-jet-enterprise to 4.5.4 or later<!-- Update pom.xml dependency version to 4.5.4 for com.hazelcast.jet:hazelcast-jet-enterprise -->
Maven
Update com.hazelcast:hazelcast to 3.12.13 or later<!-- Update pom.xml dependency version to 3.12.13 for com.hazelcast:hazelcast -->
Maven
Update com.hazelcast:hazelcast to 4.1.10 or later<!-- Update pom.xml dependency version to 4.1.10 for com.hazelcast:hazelcast -->
Maven
Update com.hazelcast:hazelcast-enterprise to 5.1.3 or later<!-- Update pom.xml dependency version to 5.1.3 for com.hazelcast:hazelcast-enterprise -->
Maven
Update com.hazelcast:hazelcast to 5.1.3 or later<!-- Update pom.xml dependency version to 5.1.3 for com.hazelcast:hazelcast -->
Maven
Update com.hazelcast:hazelcast-enterprise to 4.1.10 or later<!-- Update pom.xml dependency version to 4.1.10 for com.hazelcast:hazelcast-enterprise -->
Maven
Update com.hazelcast.jet:hazelcast-jet to 4.5.4 or later<!-- Update pom.xml dependency version to 4.5.4 for com.hazelcast.jet:hazelcast-jet -->
Maven
Update com.hazelcast:hazelcast to 4.2.6 or later<!-- Update pom.xml dependency version to 4.2.6 for com.hazelcast:hazelcast -->
Maven
Update com.hazelcast:hazelcast-enterprise to 3.12.13 or later<!-- Update pom.xml dependency version to 3.12.13 for com.hazelcast:hazelcast-enterprise -->
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (14)
Affects 1 ecosystem: maven (4).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| com.hazelcast:hazelcast-enterprise | maven | All versions | 5.0.4 |
| com.hazelcast:hazelcast | maven | 5.0, 5.0.1, 5.0.2, 5.0.3 | 5.0.4 |
| com.hazelcast:hazelcast | maven | 4.0, 4.0.1, 4.0.2, 4.0.3 (+3 more) | Range-based data available |
| com.hazelcast:hazelcast-enterprise | maven | All versions | Range-based data available |
| com.hazelcast:hazelcast-enterprise | maven | All versions | 4.2.6 |
| com.hazelcast.jet:hazelcast-jet-enterprise | maven | All versions | 4.5.4 |
| com.hazelcast:hazelcast | maven | 1.5, 1.5.1, 1.5.2, 1.5.3 (+195 more) | 3.12.13 |
| com.hazelcast:hazelcast | maven | 4.1, 4.1.1, 4.1.2, 4.1.3 (+6 more) | 4.1.10 |
| com.hazelcast:hazelcast-enterprise | maven | All versions | 5.1.3 |
| com.hazelcast:hazelcast | maven | 5.1, 5.1.1, 5.1.2 | 5.1.3 |
| com.hazelcast:hazelcast-enterprise | maven | All versions | 4.1.10 |
| com.hazelcast.jet:hazelcast-jet | maven | 0.3, 0.3.1, 0.4, 0.5 (+22 more) | 4.5.4 |
| com.hazelcast:hazelcast | maven | 4.2, 4.2.1, 4.2.2, 4.2.3 (+2 more) | 4.2.6 |
| com.hazelcast:hazelcast-enterprise | maven | All versions | 3.12.13 |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-384
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
References
Frequently Asked Questions
- What is CVE-2022-36437?
- Hazelcast connection caching This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
- How do I check if my project is affected by CVE-2022-36437?
- CVE-2022-36437 affects com.hazelcast:hazelcast-enterprise, com.hazelcast:hazelcast and com.hazelcast.jet:hazelcast-jet-enterprise (and 1 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2022-36437 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
9.1
Exploitation is straightforward and causes maximum impact. Patch immediately.
Also Known As
GHSA-c5hg-mr8r-f6jp
Related CVEs
- CVE-2026-107726CRITICAL
Hazelcast allows arbitrary member memory access by low-privileged client
- CVE-2026-107282CRITICAL
AsyncHttpClient: Replay to a different host sends the original host request and credentials to the new host
- CVE-2026-103922CRITICAL
Capacitor Android and iOS: remote content can be loaded at the app origin via the internal HTTP proxy path
- CVE-2026-107725HIGH
Hazelcast has an authorization bypass in IMap Predicates API
Check if you're affected
Scan your dependencies to see if this vulnerability affects your projects.
Scan Your Dependencies