Forge

Verified writeups for the Forge machine of Hack The Box

Forge

$ tldr URL blacklist bypass → SSRF → sudo Python script

·	·
Operating system	Linux
Difficulty	Medium
Vector	Web
IP	10.10.11.111
Retirement date	2022-01-22
Skills	Bypassing URL Blacklist Server Side Request Forgery (SSRF) Abusing Sudoers Privilege (Abusing Python Script)

Writeups

Language	Author	Format	Link
🇪🇸 ES	S4vitar	Vídeo	Open
🇬🇧 EN	0xdf	Texto	Open
🇬🇧 EN	IppSec	Vídeo	Open

Skill resources

Curated documentation for each technique listed in the Skills column above. Sources: HackTricks, GTFOBins, PortSwigger, etc.

Skill	Source	Link
Server-Side Request Forgery	HackTricks	Open

Related skills worth mastering

Cross-Site Scripting (XSS) · Remote Code Execution (RCE)

If you liked this machine, try

• Love — Windows, Easy
• Minion — Windows, Insane
• Haircut — Linux, Medium
• Time — Linux, Medium
• AdmirerToo — Linux, Hard

---

Comments & tips

Did the official writeup not work? Found a smarter trick? Share it here — comments live in GitHub Discussions.

Last updated: 2026-06-07