Individual skill
unauth-api-flow-hijack
Exploit unauthenticated multi-step API flows without credentials.
recon/unauth-api-flow-hijack/SKILL.md
Source commit 1260244136edc6ae698d76d3d526f503e322778d
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- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
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Repository context
- Repository stars (not skill ratings)
- 1,366
- Repository last updated
- Nov 7, 2026
- License
- MIT
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- bug-bounty Repository topic
- cloud-security Repository topic
- firebase-hacking Repository topic
- hermes-agent Repository topic
- jwt-attacks Repository topic
- offensive-security Repository topic
- penetration-testing Repository topic
- reconnaissance Repository topic
- red-team Repository topic
- security-automation Repository topic
- recon Declared skill tag
- api Declared skill tag
- unauthenticated Declared skill tag
- flow Declared skill tag
- interview Declared skill tag
- form Declared skill tag
- upload Declared skill tag
- export Declared skill tag
- engineering Derived category
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# Unauthenticated API Flow Hijack
Exploit API endpoints that implement a full business workflow (interview, application, checkout, onboarding) without requiring authentication at any step. Unlike simple data exposure, these flows allow an attacker to participate in — and manipulate — the application's core business logic: submitting forms, uploading files, completing transactions, and exporting data. The entire state machine is accessible without credentials.
## When to Use
- An API serves a multi-step workflow (start → step1 → step2 → ... → complete).
- No authentication token, session cookie, or API key is required at any step.
- The API returns session identifiers (UUIDs, tokens) that can be reused across steps.
- The workflow includes file upload, data submission, or export functionality.
- Error messages reveal the expected request format (validating that endpoints are live).
## Prerequisites
