CVE-2026-30924: qui is a web interface for managing qBittorrent instances
CVE-2026-30924 is a critical-severity flaw (CVSS 9.6) affecting qui. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- Critical severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.6 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 81%) |
| CISA exploited list | No |
| Weakness | CWE-942 |
| Published | 2026-03-19 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-30924?
qui: upgrade to 1.15.0. Exact commands for each OS are on this page.
Is CVE-2026-30924 being exploited?
CVE-2026-30924 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-30924 affect?
CVE-2026-30924 affects qui. Severity is critical (CVSS 9.6). 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
How urgent is CVE-2026-30924?
Priority 38/100. Critical severity