CVE-2026-42095 Missing authorization in Arianna
Attackers can read arbitrary files via socket connection by guessing URLs due to missing authentication in KDE Arianna bookserver.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-42095?
CVE-2026-42095 is a medium-severity missing authorization vulnerability in KDE Arianna, published on 24 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bookserver in KDE Arianna before 26.04.1 allows attackers to read files over a socket connection by guessing a URL.
Weakness: CWE-306
Which versions are affected by CVE-2026-42095?
Linux distribution packages (1)
arianna openSUSE:Tumbleweed | All versions | 26.04.0-2.1 |
How do I fix CVE-2026-42095?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-42095 being exploited?
There is no known exploitation of CVE-2026-42095 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-42095, GHSA-7824-f4f9-2x77, UBUNTU-CVE-2026-42095, openSUSE-SU-2026:10653-1.