Pull Request Nightmare: RCE via misconfigured pull_request_target workflows

Orca Research shows that misconfigured GitHub Actions using pull_request_target can be abused by untrusted pull requests to achieve remote code execution, exfiltrate secrets, and enable supply-chain compromises; the researchers detail attack techniques, real-world impacts observed across large organizations, and concrete mitigations such as avoiding privileged workflows for untrusted PRs, gating or validating inputs, restricting Actions and runners, and enforcing least-privilege workflow design.  

https://orca.security/resources/blog/pull-request-nightmare-github-actions-rce

https://orca.security/resources/blog/pull-request-nightmare-part-2-exploits

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