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CVE-2026-47627 is an improper limitation of a pathname to a restricted directory (CWE-22) in NVIDIA Triton Inference Server for Linux. The flaw affects versions 0.0 through 26.05 and permits path-traversal manipulation of file path handling.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This is a self-contained operational proof-of-concept repository for CVE-2026-47627, an NVIDIA Triton Inference Server path-traversal/Zip-Slip issue affecting Triton 26.05 (server v2.69.0). Its main exploit implementations are scripts/exploit.py and exploit.ps1. Both create a poc_exploit Python backend model by copying the benign echo_python sample, append an EXECUTION_ENV_PATH parameter referencing malicious_env.tar.gz, and build that archive with a ../../poc_marker member. They then invoke Triton's unauthenticated gRPC load_model API in explicit model-control mode, causing the vulnerable Python backend to extract the archive and write /tmp/poc_marker outside /models. The Python implementation verifies the result, optionally retains artifacts with --keep, and otherwise removes the marker, unloads the model, and deletes the generated model directory. Docker Compose and platform-specific runner scripts deliberately deploy nvcr.io/nvidia/tritonserver:26.05-py3 with ports 8000 (HTTP), 8001 (gRPC), and 8002 (metrics) exposed and /models backed by the local model_repository. Supporting files provide benign Python and ONNX identity models, an HTTP health/metadata/inference client, and an ONNX model generator. The PoC is not merely a detector: it performs a controlled out-of-directory write, though its included payload is limited to a harmless marker and does not provide command execution.
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A path traversal vulnerability in NVIDIA Triton Inference Server for Linux that could allow an attacker to cause denial of service.
A critical path traversal vulnerability in NVIDIA Triton Inference Server for Linux that could be exploited to cause denial of service.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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