Zabbix: vulnerabilities fixed Classification: Important, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv4.0: 8.5, CVEs: CVE-2026-23929, CVE-2026-23933, Summary: CVE-2026-23929 8.5 Prototype pollution leading to stored XSS CVE-2026-23933 7.7 Hardcoded session key in Zabbix 7.4 See also: https://support.zabbix.com/browse/ZBX-28071 CVSS 8.5 CVE-2026-23929 CVE-2026-23933 Zabbix FI NCSC-FI · 19. 8. 04:00