Bug 2450863 (CVE-2026-23923) - CVE-2026-23923 Zabbix: Zabbix: Limited availability impact via arbitrary PHP class instantiation
Summary: CVE-2026-23923 Zabbix: Zabbix: Limited availability impact via arbitrary PHP ...
Keywords:
Status: NEW
Alias: CVE-2026-23923
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2450939 2450949 2450944 2450948
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-24 19:02 UTC by OSIDB Bzimport
Modified: 2026-03-24 20:22 UTC (History)
0 users

Fixed In Version:
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Environment:
Last Closed:
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Description OSIDB Bzimport 2026-03-24 19:02:20 UTC 
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.
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