CVE-2019-13640

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-07-17 · updated 2026-06-17
Weakness: CWE-78

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.

Affected products

qBittorrent client: before 4.1.7 — fixed in 4.1.7

How to fix

Upgrade to a fixed version: qBittorrent client 4.1.7. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00080.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00085.html
https://github.com/qbittorrent/qBittorrent/issues/10925
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T4XAX2VUI4WMAS5AI4OE3OEQSQCDCF5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH3WYCKODG4OKMC4S6PWHLHAWWU6ORNC/
https://www.debian.org/security/2020/dsa-4650
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00080.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00085.html
http://www.openwall.com/lists/oss-security/2024/10/30/4
https://github.com/qbittorrent/qBittorrent/issues/10925
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T4XAX2VUI4WMAS5AI4OE3OEQSQCDCF5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH3WYCKODG4OKMC4S6PWHLHAWWU6ORNC/

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