CVE-2026-107726 (GCVE-0-2026-107726)
Vulnerability from cvelistv5
Published
2026-10-08 22:08
Modified
2026-10-09 15:12
Severity ?
9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-20 - Improper Input Validation
Summary
Hazelcast is a unified real-time data platform combining stream processing with a fast data store. Prior to 5.4.5, 5.5.10, and 5.6.1, improper validation of data supplied by a malicious client able to connect to a cluster allows arbitrary reads from a cluster member's Java heap, off-heap data, and JVM process address space. The same flaw can crash cluster members and, in some Hazelcast Enterprise Edition configurations, corrupt memory with possible arbitrary code execution. Both slim and full distributions are affected. This issue is fixed in versions 5.4.5, 5.5.10, 5.6.1, and 5.7.0.
References
Impacted products
Vendor Product Version
hazelcast hazelcast Version: < 5.4.5
Version: >= 5.5.0, < 5.5.10
Version: >= 5.6.0, < 5.6.1
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