{"id":"CVE-2026-23931","title":"The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality.","summary":"The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality.","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-203"],"vendor":"zabbix","product":"zabbix","affected":["zabbix >= 7.4.0, < 7.4.11"],"patched":["zabbix 7.4.11"],"published":"2026-08-18","updated":"2026-09-23","sourceUpdated":"2026-09-23T14:38:36.927","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-23931","references":[{"url":"https://support.zabbix.com/browse/ZBX-28070","label":"security@zabbix.com"}],"tags":["nvd"],"epss":0.00279,"epssPercentile":0.20584,"ingestedAt":"2026-09-23T15:26:23.402Z","slug":"CVE-2026-23931","body":"## Overview\n\nThe frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality.\n\n## Affected\n\n- `zabbix >= 7.4.0, < 7.4.11`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `zabbix 7.4.11`","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}