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  4. CVE 2026 105754 vllm scale out disaggregated multimodal transport
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Back to active CVEs
Medium · CVSS 6.5CVE-2026-105754GHSA-PH72-CQR5-QPP7

vLLM: Scale-out disaggregated multimodal transport trusts caller-supplied featuresCVE-2026-105754

Answer in brief

CVE-2026-105754 records a Medium severity (CVSS 6.5) vulnerability in vLLM: Scale-out disaggregated multimodal transport trusts caller-supplied features. The current sources do not mark it as known exploited. The current feed maps vllm-project/vllm (generic), vllm (pip). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 5, 2026Updated Oct 5, 2026Source checked Oct 6, 2026First seen by HOL Oct 5, 2026Material review Oct 5, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.5
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps vllm-project/vllm (generic), vllm (pip). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
vllm-project/vllmgeneric<0.30.00.30.0
vllmpip<0.30.00.30.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for vllm-project/vllm, vllm.
  2. 2Review the reported fix. Update vllm-project/vllm to 0.30.0; vllm to 0.30.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 5, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • vLLM: Harmony tool continuations drop `cache_salt` — restoring a cross-tenant prefix-cache membership oracleSame vllm-project/vllm package
  • vLLM: Mirrored multimodal IPC caches desync after a rejected request — a later request reusing the same media hash trips a receiver assertion in the engine coreSame vllm-project/vllm package
  • vLLM: Flash late-interaction scoring caches query embeddings under a caller-controlled request id — cross-request integrity break and induced errors on `/score` and `/rerank`Same vllm-project/vllm package
  • vLLM: Loose `cache_salt` validation lets a single request kill EngineCore on LMCache-MP deployments — uncaught downstream `ValueError` denial of serviceSame vllm-project/vllm package
  • vLLM: Structured-output request errors escape the request boundary and terminate the shared EngineCore — engine-fatal denial of service (3 sites)Same vllm-project/vllm package
  • vLLM: Qwen2-VL / Qwen3-VL video samplers bound on request-controlled max_frames, which the num_frames ceiling does not reachSame vllm-project/vllm package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-20, CWE-617, CWE-639, CWE-668, CWE-704, CWE-1284
Source
CVE List V5
Source checked
Oct 6, 2026
References
5 linked sources
Open source record