Path traversal in Hazelcast - #VU153041
Published: October 1, 2026
Vulnerability identifier: #VU153041
CSH Severity: Low
CVSS v4: 7.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to write files to unauthorized locations on a member.
The vulnerability exists due to improper limitation of pathname validation in Jet when handling file-write input from a client. A remote user can submit a path traversal payload to write files to unauthorized locations on a member.
Remote code execution may be possible in some cases.
Affected software
Hazelcast
Remediation
Install security update from vendor's website.
Hazelcast - addressed in versions 5.6.2, 5.7.1