Medium [CVE-2026-60065] When NGINX Plus is configured to use the Message Queuing Telemetry Transport (MQTT) filter module (ngx_stream_mqtt_filter_module), unauthenticated attackers can send requests with conditions beyond the attacker's control to cause a heap buffer over-read in the NGINX worker process, leading to a restart
This medium-severity F5 advisory covers CVE-2026-60065 affecting NGINX Plus.
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Summary
When NGINX Plus is configured to use the Message Queuing Telemetry Transport (MQTT) filter module (ngx_stream_mqtt_filter_module), unauthenticated attackers can send requests with conditions beyond the attacker's control to cause a heap buffer over-read in the NGINX worker process, leading to a restart.
Impact: This vulnerability may allow remote unauthenticated attackers to have limited control to restart the NGINX worker process.
There is no control plane exposure; this is a data plane issue only.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- NGINX Plus 37.0.0.1 before 37.0.3.1
- NGINX Plus R36 before R36 P7
- NGINX Plus R33
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 37.0.3.1
- R36 P7
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: 37.0.3.1, R36 P7. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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