GHSA-4h5x-w852-6g2xHighCVSS 7.5
vLLM versions through 0.29.0 contain a denial of service vulnerability in the NIXL connector's...
🔗 CVE IDs covered (1)
📋 Description
vLLM versions through 0.29.0 contain a denial of service vulnerability in the NIXL connector's metadata handling for prefill/decode disaggregated deployments. Attackers can send requests with incomplete kv_transfer_params dictionary entries to trigger an uncaught KeyError in EngineCore scheduling, causing the decode engine to terminate and making all routed requests fail until manual restart.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-94622
- https://github.com/vllm-project/vllm/pull/54807
- https://github.com/vllm-project/vllm
- https://github.com/vllm-project/vllm/blob/v0.29.0/vllm/distributed/kv_transfer/kv_connector/v1/nixl/metadata.py#L294-L312
- https://www.vulncheck.com/advisories/vllm-through-0.29.0-denial-of-service-via-incomplete-nixl-kv-transfer-metadata
- https://github.com/advisories/GHSA-4h5x-w852-6g2x