CVE-2026-94623
1 advisory.
PyPI/vllm CVE-2026-94623: unknown
vLLM through 0.29.0 contains a denial of service vulnerability in the NIXL connector's prefix caching implementation that fails to properly validate block counts across multi-prompt completion request
Action: Upgrade vllm to 0.30.0 or later.
pip install vllm==0.30.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.30.0 | - |
Fixed versions
| 0.30.0 |
Sources
- osv: PYSEC-2026-4005
- https://github.com/vllm-project/vllm/blob/v0.29.0/vllm/distributed/kv_transfer/kv_connector/v1/nixl/base_worker.py#L2642-L2646
- https://www.vulncheck.com/advisories/vllm-through-0.29.0-denial-of-service-via-nixl-multi-prompt-assertion-failure
- https://github.com/vllm-project/vllm/pull/51505
- https://github.com/vllm-project/vllm
CVE-2026-94623 · published · modified · JSON