What is CVE-2026-42095?

CVE-2026-42095 is a medium-severity vulnerability in Kde Arianna, classified under Missing Authentication for Critical Function. CVSS score: 4.0/10. Published 2026-04-24.

How severe is CVE-2026-42095?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Auth bypass in Kde Arianna

CVE-2026-42095

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

Vulnerability class: Broken Authentication

EPSS: 0.000 (4.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Kde Arianna — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

github.com/KDE/arianna/tags
kde.org/info/security/advisory-20260424-1.txt
invent.kde.org/graphics/arianna/-/commit/485851d25de279a9d2711d3780443530e98513…
invent.kde.org/graphics/arianna/-/commit/3cd56fce103ab62887c5592827d78a1197cd92…

Frequently asked questions

What is CVE-2026-42095?: CVE-2026-42095 is a medium-severity vulnerability in Kde Arianna, classified under Missing Authentication for Critical Function. CVSS score: 4.0/10. Published 2026-04-24.
How severe is CVE-2026-42095?: Medium severity. CVSS v3 base score is 4.0 out of 10.