CVE-2026-107725 Hazelcast - Remote Code Execution

Hazelcast < 5.4.5, < 5.5.10, and < 5.6.1 contain a remote code execution caused by missing authorization checks in the IMap Predicates API, letting malicious clients with limited privileges execute arbitrary code on cluster members, exploit requires client access with limited privileges.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.39% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
8 October 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Upgrade to versions 5.4.5, 5.5.10, 5.6.1, or 5.7.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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