Input validation error in Hazelcast - #VU153042
Published: October 1, 2026
Vulnerability identifier: #VU153042
CSH Severity: Low
CVSS v4: 6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to read arbitrary files.
The vulnerability exists due to improper input validation in Jet functionality when handling Jet functionality requests. A remote user can abuse Jet functionality to read arbitrary files.
The issue is exploitable even when Jet is not enabled.
Affected software
Hazelcast
Remediation
Install security update from vendor's website.
Hazelcast - addressed in versions 5.5.10, 5.6.2, 5.7.1