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CVE-2026-42095

Quick assessment

Affected
KDE Arianna
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.

Arianna是KDE GitHub Mirror开源的一款电子书阅读工具。 Arianna 26.04.1之前版本存在访问控制错误漏洞，该漏洞源于bookserver允许攻击者通过猜测URL的套接字连接读取文件。

CVSS 4.0 · Medium EPSS 0.17% · P5

Possible ATT&CK Techniques 1 AI

T1115 · Clipboard Data
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I. Basic Information for CVE-2026-42095

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
bookserver in KDE Arianna before 26.04.1 allows attackers to read files over a socket connection by guessing a URL.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Arianna 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arianna是KDE GitHub Mirror开源的一款电子书阅读工具。 Arianna 26.04.1之前版本存在访问控制错误漏洞，该漏洞源于bookserver允许攻击者通过猜测URL的套接字连接读取文件。
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
KDE Arianna 0 ~ 26.04.1 -

II. Public POCs for CVE-2026-42095

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III. Intelligence Information for CVE-2026-42095

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Patches & Fixes for CVE-2026-42095 (2)

IV. Related Vulnerabilities

Same vendor: KDE
Same weakness: CWE-306

V. Comments for CVE-2026-42095

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