HazelcastCVEs & Vulnerabilities

9 CVEs affecting Hazelcast products, tracked from the National Vulnerability Database, with CVSS/EPSS scores and exploitation status.

Most Affected Products

hazelcast 8hazelcast-jet 1imdg 1jet 1management center 1
CVE-2024-56518CRITICAL

Hazelcast Management Center through 6.0 allows remote code execution via a JndiLoginModule user.provider.url in a hazelcast-client XML document (aka a client configuration file), which can be uploaded at the /cluster-connections URI.

17 Apr 2025
9.8
CVSS
CVE-2023-45859HIGH

In Hazelcast through 4.1.10, 4.2 through 4.2.8, 5.0 through 5.0.5, 5.1 through 5.1.7, 5.2 through 5.2.4, and 5.3 through 5.3.2, some client operations don't check permissions properly, allowing authenticated users to access data stored in the cluster.

29 Feb 2024
7.6
CVSS
CVE-2023-45860MEDIUM

In Hazelcast Platform through 5.3.4, a security issue exists within the SQL mapping for the CSV File Source connector. This issue arises from inadequate permission checking, which could enable unauthorized clients to access data from files stored on a member's filesystem.

16 Feb 2024
6.5
CVSS
CVE-2023-33265HIGH

In Hazelcast through 5.0.4, 5.1 through 5.1.6, and 5.2 through 5.2.3, executor services don't check client permissions properly, allowing authenticated users to execute tasks on members without the required permissions granted.

18 Jul 2023
8.8
CVSS
CVE-2023-33264MEDIUM

In Hazelcast through 5.0.4, 5.1 through 5.1.6, and 5.2 through 5.2.3, configuration routines don't mask passwords in the member configuration properly. This allows Hazelcast Management Center users to view some of the secrets.

22 May 2023
4.3
CVSS
CVE-2022-36437CRITICAL

The Connection handler in Hazelcast and Hazelcast Jet allows a remote unauthenticated attacker to access and manipulate data in the cluster with the identity of another already authenticated connection. The affected Hazelcast versions are through 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.

30 Dec 2022
9.1
CVSS
CVE-2022-0265CRITICAL

Improper Restriction of XML External Entity Reference in GitHub repository hazelcast/hazelcast in 5.1-BETA-1.

4 Mar 2022
9.8
CVSS
CVE-2020-26168CRITICAL

The LDAP authentication method in LdapLoginModule in Hazelcast IMDG Enterprise 4.x before 4.0.3, and Jet Enterprise 4.x through 4.2, doesn't verify properly the password in some system-user-dn scenarios. As a result, users (clients/members) can be authenticated even if they provide invalid passwords.

10 Nov 2020
9.8
CVSS
CVE-2016-10750HIGH

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.

22 May 2019
8.1
CVSS
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Hazelcast CVEs & Vulnerabilities — 9 Tracked