NGINX
CVE-2023-28656: NGINX Management Suite vulnerability
NGINX Management Suite may allow an authenticated attacker to gain access to configuration objects outside of their assigned environment.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 8.1
EPSS0.53%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| NGINX Instance Manager (Linux) 2.0 | 2.9.0 or later |
| NGINX API Connectivity Manager (Linux) 1.0 | 1.5.0 or later |
| NGINX Security Monitoring (Linux) 1.0 | 1.3.0 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
NGINX Management Suite may allow an authenticated attacker to gain access to configuration objects outside of their assigned environment.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 12 Oct 2026.