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security-review-owasp-webhook-security-guidelines

Review webhook receivers and delivery paths for signature, transport, and replay weaknesses.

Updated Mar 26, 2026
Search Tags:#owasp#webhook#tls#trust-boundaries#security-review#signature-verification#replay-protection
One-click install
npx skills add https://github.com/sjinks/ai-owasp-skillset --skill security-review-owasp-webhook-security-guidelines
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: security-review-owasp-webhook-security-guidelines
Source: https://github.com/sjinks/ai-owasp-skillset/tree/main/.github/skills/security-review-owasp-webhook-security-guidelines
Command: npx skills add https://github.com/sjinks/ai-owasp-skillset --skill security-review-owasp-webhook-security-guidelines

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps reviewers find webhook security weaknesses in code, configuration, architecture, and operational controls before attackers can spoof, tamper with, or replay events.

Core Features & Use Cases

  • Reviews trust establishment, signature validation, transport protection, and replay resistance for webhook flows.
  • Highlights unsafe assumptions around proxies, termination points, certificate handling, and downstream trust.
  • Useful when assessing webhook receivers, event delivery pipelines, or service integrations against OWASP guidance.

Quick Start

Use the security-review-owasp-webhook-security-guidelines skill to review the attached webhook flow for trust validation, signature checks, replay defenses, and transport assumptions.

Frequently Asked Questions about security-review-owasp-webhook-security-guidelines

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I review webhook security for signature validation and replay protection?▼

Webhook security review analyzes trust establishment, signature validation, transport protection, and replay resistance across receivers, delivery paths, proxies, and downstream integrations to uncover spoofing, tampering, and replay vulnerabilities.

What is a webhook trust boundary failure and how does it impact event delivery?▼

A webhook trust boundary failure occurs when unsafe assumptions around proxies, TLS termination points, certificate handling, and downstream trust allow attackers to spoof or tamper with event delivery pipelines before events reach downstream integrations.

How do I verify webhook signatures and TLS transport assumptions in my receiver code?▼

Verify webhook signatures and TLS transport assumptions by reviewing the receiver code, delivery path, and proxy configurations against OWASP guidance to validate trust anchors, certificate handling, and lifecycle management with evidence-backed findings.

Does this webhook security review cover proxy termination points and downstream integrations?▼

Yes, the webhook security review covers proxy termination points, certificate handling, and downstream trust integrations, highlighting unsafe assumptions and verifying trust anchors, signature checks, replay defenses, and transport protection across the entire delivery path.

When do I need an OWASP webhook security review for my architecture?▼

You need an OWASP webhook security review when assessing webhook receivers, event delivery pipelines, or service integrations to find trust-boundary failures, validate lifecycle handling, and verify signatures, replay defenses, and transport assumptions before attackers can exploit them.

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