CVE-2026-7581 alexta69 MeTube CORS Policy main.py on_prepare cross-domain policy
An attacker can bypass CORS restrictions to interact with the MeTube web application from untrusted domains.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-7581?
CVE-2026-7581 is a medium-severity vulnerability in alexta69 MeTube, published on 1 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A security vulnerability has been detected in alexta69 MeTube up to 2026.04.09. This affects the function on_prepare of the file app/main.py of the component CORS Policy. The manipulation leads to permissive cross-domain policy with untrusted domains. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.04.10 is able to mitigate this issue. The identifier of the patch is 0072d3488ae5b8d922d3ee87458d829993742a32. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2026-7581?
How do I fix CVE-2026-7581?
No fix has been published for CVE-2026-7581 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-7581 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7581 exists.
Sources
Also known as GHSA-c36v-xjp4-hxrw.