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CVE-2026-55514

vLLM denial of service via prompt embeds on M-RoPE models PUBLISHED

Description (CNA)

vLLM is a library for LLM inference and serving. From 0.12.0 to before 0.24.0, sending a pure prompt embeds payload in a /v1/completions request with a model using M-RoPE causes EngineCore to fail an assertion and fatally crash, shutting down the entire server application. Any remote user who is authorized to make a /v1/completions request can make such a request and induce a crash. This issue is fixed in version 0.24.0.

Affected (CNA)

Vendor / productVersions
vllm-project / vllmaffected >= 0.12.0, < 0.24.0

CWE

CWE-617

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.