NGINX
CVE-2023-1550: NGINX Agent vulnerability CVE-2023-1550
Insertion of Sensitive Information into log file vulnerability in NGINX Agent.
Published
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 Agent 2.0 | 2.23.3 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Insertion of Sensitive Information into log file vulnerability in NGINX Agent. NGINX Agent version 2.0 before 2.23.3 inserts sensitive information into a log file. An authenticated attacker with local access to read agent log files may gain access to private keys. This issue is only exposed when the non-default trace level logging is enabled. Note: NGINX Agent is included with NGINX Instance Manager and used in conjunction with NGINX API Connectivity Manager, and NGINX Management Suite Security Monitoring.
Am I affected?
Non-default trace level logging enabled.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 12 Oct 2026.