CVE-2026-55514
vLLM denial of service via prompt embeds on M-RoPE models
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-617 |
| Vendor | vllm-project |
| Product | vllm |
| Published | Jul 6, 2026 |
| Last Updated | Jul 6, 2026 |
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Affected Versions
vllm-project / vllm
>= 0.12.0, < 0.24.0
References
github.com: https://github.com/vllm-project/vllm/security/advisories/GHSA-33cg-gxv8-3p8g github.com: https://github.com/vllm-project/vllm/pull/45252 github.com: https://github.com/vllm-project/vllm/commit/470229c37efaf69c86e8bc97482b0b1ff7551c65 github.com: https://github.com/vllm-project/vllm/releases/tag/v0.24.0