{"id":"CVE-2026-23922","title":"The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'","summary":"The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint.","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-522"],"vendor":"zabbix","product":"zabbix","affected":["zabbix >= 7.4.0, < 7.4.9"],"patched":["zabbix 7.4.9"],"published":"2026-08-18","updated":"2026-09-08","sourceUpdated":"2026-09-08T15:18:34.610","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-23922","references":[{"url":"https://support.zabbix.com/browse/ZBX-28067","label":"security@zabbix.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23922.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-23922"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23922"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00377,"epssPercentile":0.31477,"ingestedAt":"2026-09-08T15:33:26.953Z","slug":"CVE-2026-23922","body":"## Overview\n\nThe email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint.\n\n## Affected\n\n- `zabbix >= 7.4.0, < 7.4.9`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `zabbix 7.4.9`\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-10-02 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23922.json)","depth":"sunlit","depthScore":27,"depthScoreParts":{"impact":27,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}