Description
In qBittorrent before 4.1.7, the function Application::runExternalProgram() located in app/application.cpp allows command injection via shell metacharacters in the torrent name parameter or current tracker parameter, as demonstrated by remote command execution via a crafted name within an RSS feed.
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 | qbittorrent | 4.1.7-1 | — |
| Debian 13 | qbittorrent | 4.1.7-1 | — |
| Debian 12 | qbittorrent | 4.1.7-1 | — |
| Debian 10 | qbittorrent | 4.1.5-1+deb10u1 | DSA-4650-1 |
| Debian 9 | qbittorrent | 3.3.7-3+deb9u1 | DSA-4650-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | qbittorrent | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP1 | qbittorrent | 4.1.5-bp151.3.3.1 | openSUSE-SU-2019:2024-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | qbittorrent | 4.1.5-lp151.2.3.1 | openSUSE-SU-2019:2005-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | qbittorrent | 4.1.6-r3 | — |
| Alpine v3.23 | qbittorrent | 4.1.6-r3 | — |
| Alpine v3.22 | qbittorrent | 4.1.6-r3 | — |
| Alpine v3.21 | qbittorrent | 4.1.6-r3 | — |
| Alpine v3.20 | qbittorrent | 4.1.6-r3 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | qbittorrent | 4.1.6-r3 | — |
| Alpine v3.18 | qbittorrent | 4.1.6-r3 | — |
| Alpine v3.17 | qbittorrent | 4.1.6-r3 | — |
| Alpine v3.16 | qbittorrent | 4.1.6-r3 | — |
Advisories 3
- DSA-4650-1 qbittorrent - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2019:2005-1 Security update for qbittorrent SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2024-1 Security update for qbittorrent SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/qbittorrent/qBittorrent/issues/10925
- openSUSE-SU-2019:2005 vendor-advisory
- openSUSE-SU-2019:2024 vendor-advisory
- FEDORA-2019-2cb551904b vendor-advisory
- FEDORA-2019-ce6c6de3cc vendor-advisory
- DSA-4650 vendor-advisory