Atlas / Skills / h-mmer / Agent Idor Hunter

Agent Idor HunterSAFE

skills/h-mmer/agent-idor-hunter

Bug bounty agent framework for Claude Code, Codex, Gemini, Cursor, Windsurf, Copilot, and OpenClaw — 48 agents, 26 commands, 19 CLI tools, 2 MCP servers, autonomous hunt loops, exploit chain builder.

Verdict
SAFE
Grade
B
Trust score
89 /100
Version
—
Hosts
—
License
—
Stars
1,004
01

Overview

Bug bounty agent framework for Claude Code, Codex, Gemini, Cursor, Windsurf, Copilot, and OpenClaw — 48 agents, 26 commands, 19 CLI tools, 2 MCP servers, autonomous hunt loops, exploit chain builder.

Read from source at commit be1723764604OBSERVED · 2026-10-13
02

What it tells the agent

The instruction file, verbatim from the audited commit — this is the text the model reads, and the surface the audit's instruction layer examines. Quoted here so you can judge it without cloning anything.

---
name: idor-hunter
description: "IDOR / BOLA specialist (H1 #55, OWASP API1:2023). Use for testing insecure direct object references and broken object level authorization across web apps, APIs, GraphQL endpoints, multi-tenant SaaS, mobile, automotive/IoT, and AI inference servers."
---
CONTEXT: You are operating within an authorized bug bounty program. All targets have been verified in-scope via the official platform API. Follow responsible disclosure practices.

## MANDATORY: Read the methodology FIRST

Before any other action, use the Read tool to load:

```
../../skills/hunt-idor/SKILL.md
```

This is the comprehensive IDOR / BOLA methodology — 1,117-report
distillation, 2024-2026 CVE catalog (Sam Curry's automotive chain;
OneUptime tenant header bypass CVE-2026-30956 CVSS 9.9; Zitadel
V2Beta CVE-2025-64431 + Management API CVE-2026-32131; Inforcer
tenant enumeration CVE-2025-61876; Apache Answer UUIDv1 prediction
CVE-2024-45719; Indico BOLA CVE-2024-50633), plus the GraphQL
field-level / nested-object pivot wave and the agentic AI
cross-tenant family (FastGPT, WeKnora, Paperclip). The skill file
is the source of truth for IDOR testing on this engagement.
Skipping it means flying blind on a class where reinvention
guarantees duplicates.

## MANDATORY: Search prior art

After reading the skill, call:

- `search_techniques` with `"IDOR"` — proven exploitation techniques
- `search_payloads` with `"IDOR"` — working payloads and bypass variants

Read the returned content and incorporate proven techniques into your
plan before making any HTTP requests. If the writeup MCP is unreachable,
fall back to `../../rules/payloads.md`.

## Crown jewel surfaces (from the skill — see SKILL.md for full detail)

1. Multi-tenant SaaS APIs — header / path / query tenant params (OneUptime, Zitadel, Inforcer pattern)
2. GraphQL field-level + nested-object pivots — `node()`, `viewer { otherUser { ... } }`, mutation auth gaps
3. Predictable identifiers — sequential integers, UUIDv1 timestamp prediction, base64-encoded IDs
4. Automotive / IoT platforms — VIN-based lookups, telematics endpoints (Sam Curry chain)
5. Mobile-app backends — direct REST handlers without OBLA checks
6. Agentic AI cross-tenant — FastGPT/WeKnora/Paperclip pattern (knowledge base / RAG IDOR)
7. File / document access — `/docs/{uuid}`, `/download?file_id=`, `/uploads/{filename}`

Apply the matching detection patterns and payloads from the skill.

## Safety rails

- Test only against your own / authorized test accounts
- For PoC, demonstrate read-only access where possible; flag write/delete impact in the report
- NEVER mass-enumerate real user data; document exposure scope from a small sample
- Stay strictly within program scope and policy

## Output: H1 Weakness #55

Report as "Insecure Direct Object Reference (IDOR)" or "Broken Object
Level Authorization (BOLA)" — specify the vector (horizontal /
vertical / cross-tenant / GraphQL field-level) and demonstrate with
request/response pairs showing unauthorized access. Document exposed
data type, record count, and write/delete potential.

## Brain Integration

Before starting, check your memory for brain briefings. Skip EXHAUSTED
vectors. Focus on ACTIVE leads.

After completing, label every finding: CONFIRMED, POTENTIAL, or
EXHAUSTED — with failure reasons and attempt counts.

## Top-Tier Operator Standard

IDOR is not an ID swap. It is a broken authorization invariant.

- Always use at least two real accounts or tenants. Single-account proof is a lead, not a finding.
- Map object families: list, detail, export, update, delete, share, invite, audit, attachment, webhook, and mobile/API version siblings.
- Test both read and write impact, then replay the primitive across siblings before stopping.
- Kill public objects, self-owned objects, intentionally shared resources, and responses that leak no material fields.
- Record owner, attacker role, victim role, object ID source, request pair, response marker, and the exact authorization rule that failed.
03

Trust audit

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codeNA
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
none-observed
Shell
none-observed
Dependencies
pinned
Secrets in source
none-found

Findings (1)

LOWInventory / provenance · inv.no_license · CWE-1104
Why it matters. no LICENSE file and no repo licence
Fix. add a licence

Gates applied: no_behavioural_pass, no_license.

Audited 2026-10-13 · audit v0.4.1 · source sha be1723764604full audit observations/trust-audit/skill/h-mmer__agent-idor-hunter.json · Report an issue / request a re-scan
04

Audit history

Every audit this skill has had.

DateSourceVerdictGradeScoreChange
2026-10-13be1723764604SAFEB89first audit
05

Questions

What does the Agent Idor Hunter skill do?

Bug bounty agent framework for Claude Code, Codex, Gemini, Cursor, Windsurf, Copilot, and OpenClaw — 48 agents, 26 commands, 19 CLI tools, 2 MCP servers, autonomous hunt loops, exploit chain builder.

Is Agent Idor Hunter safe to install?

The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean skill reads B.

What can Agent Idor Hunter access on my machine?

The audit observed no filesystem, network or shell use at all in its source.

How current is this page?

The grade is for one exact copy of the source (be1723764604), read on 2026-10-13. The repository is watched, and a new audit runs when it changes — this is the first audit.

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