Vulnerability DatabaseCVE-2026-23923
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CVE-2026-23923
March 24, 2026
An unauthenticated attacker can exploit the Frontend 'validate' action to blindly instantiate arbitrary PHP classes. The impact depends on environment setup but appears limited at this time.
Affected Packages
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=6.0.0 <6.0.44
Fix Suggestion:
Update to version 6.0.44
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.4.0 <7.4.7
Fix Suggestion:
Update to version 7.4.7
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=6.0.0 <6.0.44
Fix Suggestion:
Update to version 6.0.44
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.4.0 <7.4.7
Fix Suggestion:
Update to version 7.4.7
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.0.0 <7.0.23
Fix Suggestion:
Update to version 7.0.23
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.4.0 <7.4.7
Fix Suggestion:
Update to version 7.4.7
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.0.0 <7.0.23
Fix Suggestion:
Update to version 7.0.23
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=6.0.0 <6.0.44
Fix Suggestion:
Update to version 6.0.44
github.com/zabbix/zabbix (GO):
Affected version(s) >=v0.0.0-20230428070625-475c0aed3fd9 <v0.0.0-20251219185557-9562e1d87b93
Fix Suggestion:
Update to version v0.0.0-20251219185557-9562e1d87b93
github.com/zabbix/zabbix (GO):
Affected version(s) >=v0.0.0-20230428070625-475c0aed3fd9 <v0.0.0-20251219185557-9562e1d87b93
Fix Suggestion:
Update to version v0.0.0-20251219185557-9562e1d87b93
github.com/zabbix/zabbix (GO):
Affected version(s) >=v0.0.0-20230428070625-475c0aed3fd9 <v0.0.0-20251219185557-9562e1d87b93
Fix Suggestion:
Update to version v0.0.0-20251219185557-9562e1d87b93
Related Resources (1)
https://support.zabbix.com/browse/ZBX-27641
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
CWE-470
EPSS
Base Score:
0.06