{"action":"Upgrade com.hazelcast:hazelcast to 5.2.5 (5.2.x) or 5.3.5 (5.3.x) or later.","affected":[{"introduced":"0","last_affected":"4.1.10"},{"introduced":"4.2","last_affected":"4.2.8"},{"introduced":"5.0","last_affected":"5.0.5"},{"introduced":"5.1","last_affected":"5.1.7"},{"fixed":"5.2.5","introduced":"5.2.0"},{"fixed":"5.3.5","introduced":"5.3.0"}],"component":"com.hazelcast:hazelcast","cve_ids":["CVE-2023-45859"],"ecosystem":"Maven","epss":0.00518,"exploited":false,"fixed_versions":["5.2.5","5.3.5"],"ghsa_id":"GHSA-xh6m-7cr7-xx66","id":"tcs_01M5N9JCCVA5MR7BHKXC06XEAN","modified_at":"2026-07-08T06:53:01.798761514Z","published_at":"2024-02-27T21:54:15Z","references":["https://osv.dev/vulnerability/GHSA-xh6m-7cr7-xx66","https://github.com/hazelcast/hazelcast/security/advisories/GHSA-xh6m-7cr7-xx66","https://nvd.nist.gov/vuln/detail/CVE-2023-45859","https://github.com/hazelcast/hazelcast/pull/25509","https://github.com/hazelcast/hazelcast"],"severity":{"label":"high","score":7.6},"sources":[{"source":"osv","source_id":"GHSA-xh6m-7cr7-xx66","url":"https://osv.dev/vulnerability/GHSA-xh6m-7cr7-xx66"}],"summary":"Missing permission checks on Hazelcast client protocol"}