$ cat writeup.md…
$ cat writeup.md…
hackadvisor
Task: PingForge webhook platform with URL validation blocklist preventing SSRF to internal metadata service on localhost:3001. Solution: Bypass blocklist using IPv6-mapped IPv4 address (::ffff:127.0.0.1) to reach internal /credentials endpoint and extract flag from AWS IAM secret_access_key.
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$sign in$ grep --similar