Description
The KDE Connect verification-code protocol before 2025-04-18 uses only 8 characters and therefore allows brute-force attacks. This affects KDE Connect before 1.33.0 on Android, KDE Connect before 25.04 on desktop, KDE Connect before 0.5 on iOS, Valent before 1.0.0.alpha.47, and GSConnect before 59.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| KDE | KDE Connect verification-code protocol | < 2025-04-18 | 2025-04-18 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gnome-shell-extension-gsconnect | 62-1 | — |
| Debian 14 | kdeconnect | 25.04.0-1 | — |
| Debian 13 | gnome-shell-extension-gsconnect | 62-1 | — |
| Debian 13 | kdeconnect | 25.04.0-1 | — |
| Debian 12 | kdeconnect +1 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | kdeconnect | No fix yet | — |
| Ubuntu 25.10 | kdeconnect | No fix yet | — |
| Ubuntu 24.04 LTS | kdeconnect +1 | No fix yet | — |
| Ubuntu 22.04 LTS | kdeconnect +1 | No fix yet | — |
| Ubuntu 20.04 LTS | kdeconnect +1 | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | kdeconnect | No fix yet | — |
| Ubuntu 16.04 LTS | kdeconnect | No fix yet | — |