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Ubuntu 25.10: Major Authentication Vulnerability in KDE Connect USN-7905-1

ubuntu
Calendar Grey December 3, 2025
Dist Ubuntu Esm H88
KDE Connect vulnerability in Ubuntu allows impersonated device authentication, a security issue requiring immediate updates.
KDE Connect could allow authentication of impersonated devices.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 Summary: KDE Connect could allow authentication of impersonated devices. Software Description: - kdeconnect: connect smartphones to your desktop devices Details: It was discovered that KDE Connect incorrectly handled device IDs. An attacker could possibly use this issue to bypass authentication and connect an unpaired device.

Topics%20covered

Topics Covered

security advisory Ubuntu authentication issue impersonation significant KDE Connect

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 kdeconnect 25.08.1-0ubuntu2.1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7905-1

CVE-2025-66270

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7905-1

Topics%20covered

Topics Covered

security advisory Ubuntu authentication issue impersonation significant KDE Connect

Package Information

https://launchpad.net/ubuntu/+source/kdeconnect/25.08.1-0ubuntu2.1

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