CVE-2026-55514

EUVD-2026-41925
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 30.3%
Affected Products (NVD)
VendorProductVersion
vllmvllm
0.12.0 ≤
𝑥
< 0.24.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/vllm-project/vllm/commit/470229c37efaf69c86e8bc97482b0b1ff7551c65
https://github.com/vllm-project/vllm/pull/45252
https://github.com/vllm-project/vllm/releases/tag/v0.24.0
https://github.com/vllm-project/vllm/security/advisories/GHSA-33cg-gxv8-3p8g