TheNotebook

Verified writeups for the TheNotebook machine of Hack The Box

TheNotebook

$ tldr JWT escalation + file upload → Docker RUNC (CVE-2019-5736)

CVE / Bulletins: CVE-2019-5736 ↗

·	·
Operating system	Linux
Difficulty	Medium
Vector	Web
IP	10.10.10.230
Retirement date	2021-07-31
Skills	Abusing JWT (Gaining privileges) Abusing Upload File Docker Breakout [CVE-2019-5736 - RUNC] (Privilege Escalation)

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
File Upload Vulnerabilities	PortSwigger	Open
JSON Web Tokens (JWT)	PortSwigger	Open

Related skills worth mastering

Remote Code Execution (RCE)

If you liked this machine, try

• Secret — Linux, Easy
• Silo — Windows, Medium
• Timing — Linux, Medium
• Unicode — Linux, Medium
• Blunder — Linux, Easy

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Last updated: 2026-06-07