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CVE-2025-1953— vLLM AIBrix Prefix Caching hash.go random values

Quick assessment

Affected
vLLM AIBrix
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.

AIBrix是vLLM开源的一个用于 GenAI 推理的经济高效且可插拔的基础设施组件。 AIBrix 0.2.0版本存在安全特征问题漏洞，该漏洞源于存在随机性不足问题。

CVSS 2.6 · Low EPSS 0.26% · P17
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I. Basic Information for CVE-2025-1953

Vulnerability Information
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Vulnerability Title
vLLM AIBrix Prefix Caching hash.go random values
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in vLLM AIBrix 0.2.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file pkg/plugins/gateway/prefixcacheindexer/hash.go of the component Prefix Caching. The manipulation leads to insufficiently random values. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 0.3.0 is able to address this issue. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不充分的随机数
Source: CVE Program / CVE List V5
Vulnerability Title
AIBrix 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AIBrix是vLLM开源的一个用于 GenAI 推理的经济高效且可插拔的基础设施组件。 AIBrix 0.2.0版本存在安全特征问题漏洞，该漏洞源于存在随机性不足问题。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
vLLM AIBrix 0.2.0 -

II. Public POCs for CVE-2025-1953

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III. Intelligence Information for CVE-2025-1953

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Patches & Fixes for CVE-2025-1953 (3)

Vendor Advisories for CVE-2025-1953 (2)

Other References for CVE-2025-1953 (1)

IV. Related Vulnerabilities

Same vendor: vLLM
Same weakness: CWE-330

V. Comments for CVE-2025-1953

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