CVE-2025-66270

Published Dec 5, 2025 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
The KDE Connect protocol 8 before 2025-11-28 does not correlate device IDs across two packets. This affects KDE Connect before 25.12 on desktop, KDE Connect before 0.5.4 on iOS, KDE Connect before 1.34.4 on Android, GSConnect before 68, and Valent before 1.0.0.alpha.49.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6063-1 kdeconnect security update
Debian DSA Debian DSA DSA-6066-1 gnome-shell-extension-gsconnect security update
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apple
Apple ios
Google
Google android
Kde
Kde gsconnect
Kde kde
Kde kdeconnect
Kde valent
Vendors & Products Apple
Apple ios
Google
Google android
Kde
Kde gsconnect
Kde kde
Kde kdeconnect
Kde valent
Type Values Removed Values Added
Description The KDE Connect protocol 8 before 2025-11-28 does not correlate device IDs across two packets. This affects KDE Connect before 25.12 on desktop, KDE Connect before 0.5.4 on iOS, KDE Connect before 1.34.4 on Android, GSConnect before 68, and Valent before 1.0.0.alpha.49.
Weaknesses CWE-290
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Dec 5, 2025, 5:26 PM
Reserved
Nov 26, 2025, 12:00 AM
Status
Deferred
Published
Dec 5, 2025, 6:16 AM
Modified
Oct 18, 2026, 3:10 PM