Description
Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Nextcloud Desktop Client | Fixed in 3.1.3 | — |
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 | nextcloud-desktop | 3.1.1-2 | — |
| Debian 13 | nextcloud-desktop | 3.1.1-2 | — |
| Debian 12 | nextcloud-desktop | 3.1.1-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | nextcloud-desktop | No fix yet | — |
| Ubuntu 26.04 LTS | nextcloud-desktop | No fix yet | — |
| Ubuntu 25.10 | nextcloud-desktop | No fix yet | — |
| Ubuntu 24.04 LTS | nextcloud-desktop | No fix yet | — |
| Ubuntu 22.04 LTS | nextcloud-desktop | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | nextcloud-desktop | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | nextcloud-desktop | 3.1.3-lp152.2.6.1 | openSUSE-SU-2021:0577-1 |
Advisories 1
- openSUSE-SU-2021:0577-1 Security update for nextcloud-desktop SUSE / openSUSE Security Updates · Feb 4, 2026