Blind SSRF with out-of-band detection

$ tldr PortSwigger · SSRF (Server-Side Request Forgery)

·	·
Platform	PortSwigger Web Security Academy
Topic	SSRF (Server-Side Request Forgery)
Difficulty	PRACTITIONER
Official lab	Open

Solve the lab

Language	Author	Format	Link
🇬🇧 EN	PortSwigger	Texto	Open

Resources by skill

Skill	Source	Link
Server-Side Request Forgery	HackTricks	Open

Server-Side Request Forgery

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Last updated: 2026-06-07

PortSwigger catalog

Access Control Vulnerabilities

API Testing

Authentication Vulnerabilities

Clickjacking

CORS

Cross-Site Scripting (XSS)

CSRF (Cross-Site Request Forgery)

Insecure Deserialization

DOM-based Vulnerabilities

Essential Skills

Directory / Path Traversal

File Upload Vulnerabilities

GraphQL

HTTP Host Header Attacks

Information Disclosure

JWT (JSON Web Tokens)

LLM Attacks

Business Logic Vulnerabilities

NoSQL Injection

OAuth Authentication

OS Command Injection

Prototype Pollution

Race Conditions

HTTP Request Smuggling

Server-Side Template Injection (SSTI)

SQL Injection

SSRF (Server-Side Request Forgery)

Web Cache Deception

Web Cache Poisoning

WebSockets

XXE (XML External Entity)

Blind SSRF with out-of-band detection

Solve the lab

Resources by skill

Comments & tips

​Solve the lab

​Resources by skill

​Related skills

​Comments & tips

Solve the lab

Resources by skill

Related skills

Comments & tips