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CVE-2026-33075 affects FastGPT, an AI Agent building platform, in versions 4.14.8.3 and earlier. The vulnerability is in the fastgpt-preview-image.yml GitHub Actions workflow. The workflow uses pull_request_target, which executes in a privileged context with access to repository secrets, but then checks out code from an untrusted pull request author's fork. It subsequently builds and pushes Docker images using attacker-controlled Dockerfiles from that untrusted code. This creates a trust-boundary violation in the CI/CD pipeline whereby an external contributor can cause privileged workflow execution on attacker-supplied content, leading to arbitrary code execution within the GitHub Actions job, exfiltration of repository secrets, and the possibility of publishing malicious container images to the production registry.
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Cross-references every affected SKU, including bundled OEM variants.
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