{"id":"CVE-2026-23935","title":"A Zabbix administrator is able to read out of bounds memory by utilizing a flaw in script item/preprocessing (JavaScript) HttpRequest logic, leading to potential confidentiality loss.","summary":"A Zabbix administrator is able to read out of bounds memory by utilizing a flaw in script item/preprocessing (JavaScript) HttpRequest logic, leading to potential confidentiality loss.","severity":"medium","cvss":4.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-125"],"vendor":"zabbix","product":"zabbix","affected":["zabbix >= 7.0.0, < 7.0.28","zabbix >= 7.4.0, < 7.4.12"],"patched":["zabbix 7.4.12"],"published":"2026-08-18","updated":"2026-09-23","sourceUpdated":"2026-09-23T14:17:37.820","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-23935","references":[{"url":"https://support.zabbix.com/browse/ZBX-28073","label":"security@zabbix.com"}],"tags":["nvd"],"epss":0.00175,"epssPercentile":0.07234,"ingestedAt":"2026-09-23T14:25:29.790Z","slug":"CVE-2026-23935","body":"## Overview\n\nA Zabbix administrator is able to read out of bounds memory by utilizing a flaw in script item/preprocessing (JavaScript) HttpRequest logic, leading to potential confidentiality loss.\n\n## Affected\n\n- `zabbix >= 7.0.0, < 7.0.28`\n- `zabbix >= 7.4.0, < 7.4.12`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `zabbix 7.4.12`","depth":"sunlit","depthScore":27,"depthScoreParts":{"impact":27,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}