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CVE-2026-27893— vLLM's hardcoded trust_remote_code=True in NemotronVL and KimiK25 bypasses user security opt-out

Quick assessment

Affected
vllm-project vllm
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

vLLM是vLLM开源的一个适用于 LLM 的高吞吐量和内存高效推理和服务引擎。 vLLM 0.10.1至0.18.0之前版本存在安全漏洞，该漏洞源于两个模型实现文件硬编码trust_remote_code=True，可能导致远程代码执行。

CVSS 8.8 · High EPSS 1.81% · P78

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
vllm-project vllm >= 0.10.1, < 0.18.0 affected
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I. Basic Information for CVE-2026-27893

Vulnerability Information
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Vulnerability Title
vLLM's hardcoded trust_remote_code=True in NemotronVL and KimiK25 bypasses user security opt-out
Source: CVE Program / CVE List V5
Vulnerability Description
vLLM is an inference and serving engine for large language models (LLMs). Starting in version 0.10.1 and prior to version 0.18.0, two model implementation files hardcode `trust_remote_code=True` when loading sub-components, bypassing the user's explicit `--trust-remote-code=False` security opt-out. This enables remote code execution via malicious model repositories even when the user has explicitly disabled remote code trust. Version 0.18.0 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Vulnerability Title
vLLM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vLLM是vLLM开源的一个适用于 LLM 的高吞吐量和内存高效推理和服务引擎。 vLLM 0.10.1至0.18.0之前版本存在安全漏洞，该漏洞源于两个模型实现文件硬编码trust_remote_code=True，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
vllm-project vllm >= 0.10.1, < 0.18.0 -

II. Public POCs for CVE-2026-27893

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6958 chars
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III. Intelligence Information for CVE-2026-27893

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Patches & Fixes for CVE-2026-27893 (2)

Vendor Advisories for CVE-2026-27893 (1)

IV. Related Vulnerabilities

Same product: vllm
Same vendor: vllm-project
Same weakness: CWE-693

V. Comments for CVE-2026-27893

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