CVE-2026-7581: alexta69 MeTube CORS Policy main.py on_prepare cross-domain policy
A security vulnerability has been detected in alexta69 MeTube up to 2026.04.09. This affects the function onprepare 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
alexta69 MeTube (CORS Policy)to a version that resolves this vulnerability.Fixed in 2026.04.10Patch 0072d3488ae5b8d922d3ee87458d829993742a32 - Compensating control
Because the issue allows permissive cross-domain policy with untrusted domains and is remotely exploitable, restrict CORS access so that only trusted origins are allowed until the upgrade to 2026.04.10 is completed.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-7581?
CVE-2026-7581 is classified as a high severity vulnerability due to the potential for permissive cross-domain policy exploitation.
How do I fix CVE-2026-7581?
To fix CVE-2026-7581, update alexta69 MeTube to a version later than 2026.04.09 which addresses the CORS policy issue.
What impact does CVE-2026-7581 have on application security?
CVE-2026-7581 can lead to unauthorized access and data leakage due to the improper handling of cross-origin requests.
Which versions of alexta69 MeTube are affected by CVE-2026-7581?
CVE-2026-7581 affects all versions of alexta69 MeTube up to and including 2026.04.09.
Is a patch available for CVE-2026-7581?
Yes, a patch is available in versions of alexta69 MeTube released after 2026.04.09.