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CVE-2026-96424— Incorrect Permission Assignment for Critical Resource in lomiri-download-manager

Quick assessment

Affected
UBports lomiri-download-manager
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.

lomiri-upload-manager（属于 lomiri-download-manager 组件）的 DBus 策略配置不当，允许任意用户通过 DBus 以 root 权限读取任意文件。

CVSS 7.8 · High

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
UBports lomiri-download-manager 0.1.0< 0.3.3 affected
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I. Basic Information for CVE-2026-96424

Vulnerability Information
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Vulnerability Title
Incorrect Permission Assignment for Critical Resource in lomiri-download-manager
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect DBus policy for lomiri-upload-manager (part of lomiri-download-manager) allows arbitrary user to read arbitrary file as root over DBus
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
UBports lomiri-download-manager 0.1.0 ~ 0.3.3 -

II. Public POCs for CVE-2026-96424

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-96424

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Vendor Advisories for CVE-2026-96424 (1)

Other References for CVE-2026-96424 (1)

IV. Related Vulnerabilities

Same product: lomiri-download-manager
Same vendor: UBports
Same weakness: CWE-732

V. Comments for CVE-2026-96424

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