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CVE-2026-90508— Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization

Quick assessment

Affected
Chengdu Qilu Technology Ludashi
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.

Chengdu Qilu LuDaShi是中国Chengdu Qilu公司的一款硬件检测与系统优化工具。 Chengdu Qilu LuDaShi 6.1026.4715.714版本存在安全漏洞，该漏洞源于Message Dispatch Handler组件中ProtectFilter64.sys库的MessageNotifyCallback函数缺少授权检查，可能导致本地攻击者执行未授权操作。

CVSS 3.4 · Low EPSS 0.16% · P5

Possible ATT&CK Techniques 2 AI

T1015 T1059.004 · Unix Shell

Affected Version Matrix 1

VendorProduct Version RangeStatus
Chengdu Qilu Technology Ludashi 6.1026.4715.714 affected
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I. Basic Information for CVE-2026-90508

Vulnerability Information
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Vulnerability Title
Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Chengdu Qilu Technology Ludashi 6.1026.4715.714. Affected by this vulnerability is the function MessageNotifyCallback in the library ProtectFilter64.sys of the component Message Dispatch Handler. Performing a manipulation results in missing authorization. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Chengdu Qilu LuDaShi 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chengdu Qilu LuDaShi是中国Chengdu Qilu公司的一款硬件检测与系统优化工具。 Chengdu Qilu LuDaShi 6.1026.4715.714版本存在安全漏洞，该漏洞源于Message Dispatch Handler组件中ProtectFilter64.sys库的MessageNotifyCallback函数缺少授权检查，可能导致本地攻击者执行未授权操作。
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
Chengdu Qilu Technology Ludashi 6.1026.4715.714 cpe:2.3:a:chengdu_qilu_technology:ludashi:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90508

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III. Intelligence Information for CVE-2026-90508

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Exploits & Public PoCs for CVE-2026-90508 (1)

IV. Related Vulnerabilities

Same product: Ludashi
Same vendor: Chengdu Qilu Technology
Same weakness: CWE-862

V. Comments for CVE-2026-90508

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