{"id":"CVE-2026-59782","revision":"dbae2edef2374438a37eb01434a38ebc","records":[{"revision":"dbae2edef2374438a37eb01434a38ebc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-59782","aliases":[],"title":"JavaScript preprocessing memory disclosure","description":"The JavaScript preprocessing (Duktape) engine on Zabbix server has a vulnerability where a limited administrator is able to read raw heap data potentially resulting in leaked data from other running preprocessors not available to said administrator.","state":0,"publishedAt":"2026-10-05T10:27:34.672+00:00","modifiedAt":"2026-10-05T11:53:36.626+00:00","affected":[{"ecosystem":"Vendor product","name":"Zabbix","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Zabbix\",\n                    \"product\": \"Zabbix\",\n                    \"repo\": \"https://git.zabbix.com/\",\n                    \"modules\": [\n                        \"Server\",\n                        \"Proxy\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"6.0.0\",\n                            \"lessThanOrEqual\": \"6.0.47\",\n                            \"changes\": [\n                                {\n                                    \"at\": \"6.0.48\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"7.0.0\",\n                            \"lessThanOrEqual\": \"7.0.28\",\n                            \"changes\": [\n                                {\n                                    \"at\": \"7.0.29\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"7.4.0\",\n                            \"lessThanOrEqual\": \"7.4.12\",\n                            \"changes\": [\n                                {\n                                    \"at\": \"7.4.13\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"versionType\": \"git\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unknown\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"}],"references":["https://support.zabbix.com/browse/ZBX-28193"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-59782","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-59782","identifiers":["CVE-2026-59782"]},"retained":false,"historicalAffected":[]}],"coverage":[]}