https://www.linode.com/community/questions/24833/how-do-i-correct-a-502-bad-gateway-nginx1180-error
How do I correct a 502 Bad Gateway, nginx/1.18.0 error? (24833) | Linode Questions
The 502 Bad Gateway error began after I updated some application code and did a restart on nginx on my linode but made no changes to nginx or gunicorn config...
https://nvd.nist.gov/vuln/detail/CVE-2022-24833
NVD - CVE-2022-24833
nvdcve