Blind SSRF in `/api/img` on blua.bupa.com.au — internal host discovery & port scanning of `*.internal.bupa.com.au`

Disclosed by
x3c
Summary by Bupa Australia Vulnerability Disclosure Engagement

A server-side request forgery risk through image proxy. The report helped tightening validation.

Summary by x3c

An image proxy accepted requests to internal resources, creating a server-side request forgery risk despite an external host allowlist. The report recommends excluding internal address space and tightening destination validation.

Activity