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hunt-ssrf

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Hunting skill for ssrf vulnerabilities. Built from 15 public bug bounty reports including AWS metadata SSRF (HackerOne $25k Analytics PDF, Shopify Exchange $25k, Capital One 106M-record breach, Dropbox/HelloSign $4,913), GCP metadata SSRF (Snapchat $4k), Azure IMDS SSRF (Azure DevOps $15k chain, ChatGPT Custom Actions MSRC), DNS rebinding SSRF (Concrete CMS, GitLab UrlBlocker), gopher-protocol-to-Redis-RCE (Yahoo Mail $15k), link-preview SSRF (Reddit Matrix $6k), and headless-browser PDF-generator SSRF chains. Use when hunting SSRF on any target — OOB Collaborator confirmation mandatory for blind cases.

redteam/hunt-ssrf/SKILL.md

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Yes
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Yes
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Observed behavior
Network or broad shell
Last checked
Nov 9, 2026

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1,347
Repository last updated
Nov 7, 2026
License
MIT

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## When to Use

Use when the target has any feature that fetches a URL, imports data from a remote source, generates previews/screenshots, processes webhooks, or renders documents. SSRF allows an attacker to make the server itself perform network requests — reaching internal services, cloud metadata endpoints, and otherwise inaccessible infrastructure. Every link-preview, file-import, image-proxy, webhook-registration, PDF-generation, and redirect-following endpoint is a candidate. Highest-value targets: cloud-hosted SaaS, Kubernetes/orchestration platforms, CI/CD systems, and URL-fetching features.

## Crown Jewel Targets

SSRF is highest-value when the target runs on cloud infrastructure (AWS, GCP, Azure) where metadata services expose credentials, or when the server sits inside a complex internal network (Kubernetes clusters, microservice meshes, internal APIs). Priority targets:

- **Cloud-hosted SaaS products** (GCP metadata at `[REDACTED_IP]` or `metadata.google.internal`, AWS IMDSv1)
- **Kubernetes/orchestration platforms** — aggregated API servers, metrics-server, kubelet endpoints expose privileged cluster operations
- **Internal developer tooling** — CI/CD, workflow orchestration (Flyte, Argo), admin panels not exposed externally
- **Link preview / URL fetching features** — Reddit-style preview APIs, Slack-style unfurling, media processors
- **Dataset/file import pipelines** — anything that fetches remote URLs on behalf of a user
- **Enterprise self-hosted software** (GitHub Enterprise, GitLab) — SSRF frequently chains to RCE via internal services
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