backend-authz-audit

Category: Testing & Security | Uploader: edmund-xl | Downloads: 0 | Version: v1.0（Latest）

Use this skill to audit backend authorization, IDOR, ownership checks, and tenant isolation. Do not use it for smart contracts or legal contract review.

Changelog: Source: GitHub https://github.com/edmund-xl/ai-security-audit-playbook

Directory Structure

Current level: tree/main/plugins/ai-security-audit-playbook/skills/backend-authz-audit/

📄 SKILL.md 3.7 KB

SKILL.md

---
name: backend-authz-audit
description: Use this skill to audit backend authorization, IDOR, ownership checks, and tenant isolation. Do not use it for smart contracts or legal contract review.
---

# backend-authz-audit

## English

### Purpose

Audit backend authorization and tenant isolation.

### When to use

- Backend API review.
- Resource ownership checks.
- Multi-tenant access-control review.
- IDOR investigation.

### When not to use

- Smart contracts.
- CI/CD-only changes.
- Legal contracts.

### Workflow

1. Identify roles and tenants.
2. Identify resource identifiers.
3. Trace resource lookups.
4. Verify queries are scoped by tenant/user/workspace/org.
5. Check batch, export, and admin paths.
6. Output high-confidence findings.

### Output format

Use the canonical finding format.

### Safety rules

Audit-only by default. Do not patch auth model without explicit selected findings and human review.


### Canonical finding format

```yaml
id: F-001
severity: Critical | High | Medium | Low | Informational
confidence: High | Medium | Low
category:
affected_code:
root_cause:
exploit_path:
preconditions:
impact:
evidence:
minimal_fix:
regression_test:
auto_fix_suitability: Safe | Needs Human Review | Do Not Auto-Fix
notes:
```

### v0.6 operational guardrails

- Keep the skill within its stated trigger conditions and the user's explicitly provided scope.
- Preserve project safety boundaries: audit-only by default; Do not execute exploits, Do not auto-merge, Do not upload private source code or secrets, and do not scan unrelated repositories without explicit user request.
- Ask for explicit human approval before patching high-risk auth, IAM, governance, funds, terminal, or agent-tooling behavior.
- Report validation performed, files changed, residual risk, and any skipped future-phase work when finished.

## 中文

### 目的

使用这个 skill 进行后端授权与租户隔离审计。它应该帮助审查者把输入边界、风险证据、影响、修复建议和回归测试组织成可复核的安全输出。

### 触发条件

适用于 backend API、资源所有权、IDOR、多租户访问控制和 admin/user 权限边界。如果请求超出这些边界，先说明范围差异，并选择更合适的 prompt、skill 或人工 review 路径。

### 不适用场景

不要用于智能合约、纯 CI/CD、法律合同或与授权无关的性能 review。不要把这个 skill 当作自动扫描整个仓库、执行 exploit、上传私有源码或 secrets、自动提交、自动推送或 auto-merge 的许可。

### 操作流程

1. 明确用户给出的目标、允许查看的材料和不能触碰的范围。
2. 收集必要上下文，但只读取完成任务所需的文件、diff、workflow、fixture 或文档。
3. 识别 trust boundary、privileged operation、sensitive data、preconditions 和 security impact。
4. 只报告有 evidence 的 finding；缺少上下文时写 question 或 assumption。
5. 为 confirmed issue 提出 minimal fix，并规划跨用户、跨租户、未授权、admin/user 边界和授权路径仍然通过的测试。
6. 完成后报告验证输出、残余风险和需要人工确认的事项。

### 安全规则

默认 audit-only。未经明确授权，不 patch、不 commit、不 push、不创建 PR、不 merge。不要执行 exploit，不要访问生产系统，不要打印 secrets。涉及 IAM、authz 模型、资金、治理、terminal 执行或 agent-tooling 权限的修复必须进入人工 review。

### 输出要求

使用 canonical finding format。每个 finding 都要包含 severity、confidence、category、affected_code、root_cause、exploit_path、preconditions、impact、evidence、minimal_fix、regression_test、auto_fix_suitability 和 notes。

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