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CVE-2026-114055— vLLM 0.7.3 before 0.31.0 DoS via Unvalidated mm_processor_kwargs

Quick assessment

Affected
vllm-project vllm
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

vLLM 0.7.3 至 0.31.0（不含）版本存在一个不受控制的资源消耗漏洞。该漏洞允许远程客户端通过为每个请求提供 参数，来操控多模态处理器的配置。攻击者可在 Isaac、InternVL、H2OVL 及其他处理器中设置过大的图像尺寸、补丁数量、裁剪数量或帧数等值，从而耗尽系统内存并导致共享服务器终止运行。

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-114055

Vulnerability Information
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Vulnerability Title
vLLM 0.7.3 before 0.31.0 DoS via Unvalidated mm_processor_kwargs
Source: CVE Program / CVE List V5
Vulnerability Description
vLLM from 0.7.3 before 0.31.0 contains an uncontrolled resource consumption vulnerability that allows remote clients to control multimodal processor parameters by supplying per-request mm_processor_kwargs. Attackers can set large image size, patch count, crop count, or frame count values in Isaac, InternVL, H2OVL, and other processors to exhaust memory and terminate the shared server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
vllm-project vllm 0.7.3 ~ 0.31.0 -

II. Public POCs for CVE-2026-114055

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III. Intelligence Information for CVE-2026-114055

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Other References for CVE-2026-114055 (2)

Same Patch Batch · vllm-project · 2026-10-21 · 7 CVEs total

CVE-2026-114053 8.1 HIGH vLLM 0.7.3 before 0.31.0 RCE via mm_processor_kwargs.code_revision
CVE-2026-114050 7.5 HIGH vLLM before 0.31.0 Remote Engine Crash via Forged Multimodal UUID
CVE-2026-114052 7.5 HIGH vLLM 0.25.0 before 0.31.0 MOSS-Audio Memory Exhaustion via /tokenize mm_processor_kwargs
CVE-2026-114051 7.5 HIGH vLLM before 0.31.0 Denial of Service via min_tokens in /inference/v1/generate
CVE-2026-114054 6.5 MEDIUM vLLM before 0.31.0 Cross-Request Cache Aliasing via EXIF ImageID and Prefix-Cache Keys
CVE-2026-114049 3.7 LOW vLLM before 0.31.0 Stale allowed_token_ids Mask via InputBatch.condense

IV. Related Vulnerabilities

Same product: vllm
Same vendor: vllm-project
Same weakness: CWE-400

V. Comments for CVE-2026-114055

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