CVE-2026-23923
Unauthenticated arbitrary PHP class instantiation
Description
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:LAvailabilityL
Weaknesses
Affected Products
Zabbix
oss-project·SE
ООО «Ред Софт»
commercial·RUaka red soft
Zabbix LLC.
commercial·USaka zabbix llc, zabbix
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
1 technique Execution
References
News mentions
Could not load news mentions.
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2026-23923 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows