CVE-2026-59783

Published 5 October 2026 · tracked since 5 October 2026

Description

The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input leading to potential loss of availability. This only affects deployments where MySQL/MariaDB database is used as the Zabbix database.

References

• NVD — National Vulnerability Database
• CVE.org record (MITRE)
• CISA Known Exploited Vulnerabilities catalog

Latest tracked vulnerabilities

• CVE-2026-105289 LOW 3.5
• CVE-2026-105290 HIGH 7.3
• CVE-2026-105291 MEDIUM 4.3
• CVE-2026-105287 MEDIUM 6.3
• CVE-2026-105288 MEDIUM 4.3
• CVE-2026-105263 MEDIUM 4.7
• CVE-2026-105253 HIGH 7.3
• CVE-2026-105254 MEDIUM 6.3
• CVE-2026-104807
• CVE-2026-104400 MEDIUM 6.5

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