CVE-2025-29770

Summary

vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. The outlines library is one of the backends used by vLLM to support structured output (a.k.a. guided decoding). Outlines provides an optional cache for its compiled grammars on the local filesystem. This cache has

Severity

medium

EPSS

0.4% (p34)

Also known as

GHSA-mgrm-fgjv-mhv8, PYSEC-2025-223

Published

2025-03-19

References

• https://github.com/vllm-project/vllm/blob/53be4a863486d02bd96a59c674bbec23eec508f6/vllm/model_executor/guided_decoding/outlines_logits_processors.py
• https://github.com/vllm-project/vllm/pull/14837
• https://github.com/vllm-project/vllm/security/advisories/GHSA-mgrm-fgjv-mhv8

Related advisories

• CVE-2026-48746 — critical · PyPI/vllm
• CVE-2026-22778 — critical · PyPI/vllm
• CVE-2025-47277 — critical · PyPI/vllm
• CVE-2025-32444 — critical · PyPI/vllm
• GHSA-ggpf-24jw-3fcw — critical · PyPI/vllm
• CVE-2024-9052 — critical · PyPI/vllm
• CVE-2024-9053 — critical · PyPI/vllm
• CVE-2024-11041 — critical · PyPI/vllm

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