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hunt-cicd

Hunt CI/CD pipeline vulnerabilities — GitHub Actions workflow injection (pull_request_target Pwnrequest + ${{ }}-into-shell), self-hosted runner poisoning, OIDC trust-policy abuse, Jenkins script-console RCE and CVE-2024-23897 file read, GitLab CI runner-token registration, Terraform state file leakage, artifact/log secret leakage, pipeline env-var disclosure. Use when target has a public GitHub/GitLab org, exposed CI dashboards (Jenkins/TeamCity/Drone/Argo), or build artifacts/images are reachable.

redteam/hunt-cicd/SKILL.md

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Network or broad shell
Last checked
Nov 3, 2026

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1,330
Repository last updated
Nov 7, 2026
License
MIT

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# HUNT-CICD — CI/CD Pipeline Security

## Crown Jewel Targets

Jenkins `/script` console reachable = immediate RCE. A GitHub Actions `pull_request_target` (or `workflow_run`) workflow that checks out the **PR head ref** and references untrusted `${{ github.event.* }}` in a shell `run:` = "Pwnrequest" → secret exfil from a fork PR with zero approval.

**Highest-value findings:**
- **Jenkins Script Console** — Groovy execution → full RCE → dump the credential store
- **Jenkins CLI file read (CVE-2024-23897)** — pre-auth `@/etc/passwd` arg expansion → read `secret.key`/`credentials.xml` → forge admin → RCE
- **GitHub Actions `pull_request_target` injection (Pwnrequest)** — fork PR controls `${{ }}` inside a privileged shell step → exfil `GITHUB_TOKEN` (often `contents:write`) and org secrets
- **Self-hosted runner poisoning** — non-ephemeral runner on a public repo executes a fork PR's build → attacker code runs on the runner host → persistence + secret theft
- **OIDC trust-policy abuse** — over-broad `sub` claim wildcard in an AWS IAM role trust policy → any workflow in the org assumes a privileged cloud role
- **Terraform state leakage** — `*.tfstate` in public S3/GCS/Blob → plaintext infra creds, DB passwords, private keys
- **Runner token / artifact / log leakage** — register attacker runner, or harvest secrets printed before `::add-mask::`