CVE-2026-59783

LOW CVSS 4.0: 2.3 EPSS 0.23%
Updated Oct 06, 2026
Zabbix
Parameter Value
CVSS 2.3 (LOW)
Type CWE-787 (Out-of-bounds Write)
Vendor Zabbix
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products

zabbix:zabbix