qui is a web interface for managing qBittorrent instances. Versions 1.14.1 and below use a permissive CORS policy that reflects arbitrary origins while also returning Access-Control-Allow-Credentials: true, effectively allowing any external webpage to make authenticated requests on behalf of a logged-in user. An attacker can exploit this by tricking a victim into loading a malicious webpage, which silently interacts with the application using the victim's session and potentially exfiltrating sensitive data such as API keys and account credentials, or even achieving full system compromise through the built-in External Programs manager. Exploitation requires that the victim access the application via a non-localhost hostname and load an attacker-controlled webpage, making highly targeted social-engineering attacks the most likely real-world scenario. This issue was not fixed at the time of publication.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-h8vw-ph9r-xpch qui CORS Misconfiguration: Arbitrary Origins Trusted
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 20 Mar 2026 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Autobrr
Autobrr qui
Vendors & Products Autobrr
Autobrr qui

Thu, 19 Mar 2026 21:00:00 +0000

Type Values Removed Values Added
Description qui is a web interface for managing qBittorrent instances. Versions 1.14.1 and below use a permissive CORS policy that reflects arbitrary origins while also returning Access-Control-Allow-Credentials: true, effectively allowing any external webpage to make authenticated requests on behalf of a logged-in user. An attacker can exploit this by tricking a victim into loading a malicious webpage, which silently interacts with the application using the victim's session and potentially exfiltrating sensitive data such as API keys and account credentials, or even achieving full system compromise through the built-in External Programs manager. Exploitation requires that the victim access the application via a non-localhost hostname and load an attacker-controlled webpage, making highly targeted social-engineering attacks the most likely real-world scenario. This issue was not fixed at the time of publication.
Title qui CORS Misconfiguration: Arbitrary Origins Trusted
Weaknesses CWE-942
References
Metrics cvssV4_0

{'score': 9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-19T20:45:43.039Z

Reserved: 2026-03-07T16:40:05.884Z

Link: CVE-2026-30924

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-19T21:17:09.943

Modified: 2026-03-19T21:17:09.943

Link: CVE-2026-30924

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-20T11:06:18Z

Weaknesses