CVE-2026-55514

Summary

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 Software

Weaknesses

• CWE-617: CWE-617: Reachable Assertion

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/vllm-project/vllm/security/advisories/GHSA-33cg-gxv8-3p8g
• https://github.com/vllm-project/vllm/pull/45252
• https://github.com/vllm-project/vllm/commit/470229c37efaf69c86e8bc97482b0b1ff7551c65
• https://github.com/vllm-project/vllm/releases/tag/v0.24.0

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