CVE-2026-42095: CWE-306 Missing Authentication for Critical Function in KDE Arianna
bookserver in KDE Arianna before 26.04.1 allows attackers to read files over a socket connection by guessing a URL.
AI Analysis
Technical Summary
This vulnerability (CWE-306) in KDE Arianna's bookserver component allows unauthorized local attackers to read files by guessing URLs over a socket connection. The issue arises from missing authentication controls on critical functions, enabling information disclosure. The CVSS 3.1 base score is 4.0, reflecting low impact on confidentiality and no impact on integrity or availability. The vulnerability affects versions prior to 26.04.1. No patch or official remediation level has been published yet.
Potential Impact
An attacker with local access can read files from the system by exploiting the lack of authentication on the bookserver's socket interface. This leads to limited confidentiality impact as per the CVSS score. There is no impact on integrity or availability. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to the bookserver socket and monitor for unauthorized access attempts. Avoid exposing the service to untrusted users.
CVE-2026-42095: CWE-306 Missing Authentication for Critical Function in KDE Arianna
Description
bookserver in KDE Arianna before 26.04.1 allows attackers to read files over a socket connection by guessing a URL.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-306) in KDE Arianna's bookserver component allows unauthorized local attackers to read files by guessing URLs over a socket connection. The issue arises from missing authentication controls on critical functions, enabling information disclosure. The CVSS 3.1 base score is 4.0, reflecting low impact on confidentiality and no impact on integrity or availability. The vulnerability affects versions prior to 26.04.1. No patch or official remediation level has been published yet.
Potential Impact
An attacker with local access can read files from the system by exploiting the lack of authentication on the bookserver's socket interface. This leads to limited confidentiality impact as per the CVSS score. There is no impact on integrity or availability. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to the bookserver socket and monitor for unauthorized access attempts. Avoid exposing the service to untrusted users.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-24T00:00:00.000Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69eb7c9b87115cfb683e60a7
Added to database: 4/24/2026, 2:22:19 PM
Last enriched: 4/24/2026, 2:36:00 PM
Last updated: 4/24/2026, 4:46:00 PM
Views: 6
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