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CVE-2026-105754

vLLM: Scale-out disaggregated multimodal transport trusts caller-supplied features PUBLISHED

Description (CNA)

vLLM is an inference and serving engine for large language models. Prior to 0.30.0, the /inference/v1/generate endpoint in the disaggregated scale-out path accepts caller-supplied tensors in the features.kwargs_data field, cache identifiers in the features.mm_hashes field, ranges in the features.mm_placeholders field, and wire-selected multimodal field processors without rebinding them to the active model renderer contract. Forged grid geometry, field types, or non-positive placeholder lengths can terminate the shared EngineCore; when an attacker knows or can induce a victim's content hash, forged cache hashes can poison or retrieve cross-request encoder-cache state; and dropped sparse placeholder masks can alter replayed transport semantics. This issue is fixed in version 0.30.0.

Affected (CNA)

Vendor / productVersions
vllm-project / vllmaffected < 0.30.0

CWE

CWE-20, CWE-617, CWE-639, CWE-668, CWE-704, CWE-1284

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.