What’s Vulnerable › Vulnerabilities

CVE-2026-42095

• Severity: medium (CVSS 4.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-24 · updated 2026-10-26
• Weakness: CWE-306

Description

bookserver in KDE Arianna before 26.04.1 allows attackers to read files over a socket connection by guessing a URL.

Affected products

• KDE Arianna: before 26.04.1 — fixed in 26.04.1

How to fix

Upgrade to a fixed version: KDE Arianna 26.04.1. Check the vendor advisory for mitigations.

References

• https://github.com/KDE/arianna/tags
• https://invent.kde.org/graphics/arianna/-/commit/3cd56fce103ab62887c5592827d78a1197cd926a
• https://invent.kde.org/graphics/arianna/-/commit/485851d25de279a9d2711d3780443530e9851300
• https://kde.org/info/security/advisory-20260424-1.txt

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