Vulnerability in Alexta69 Metube
CVE-2026-7581
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Affected products
- Alexta69 Metube — versions 2026.04.09, 2026.04.10
Weakness classification (CWE)
References
- vuldb.com/vuln/360528 (technical-description, vdb-entry)
- vuldb.com/vuln/360528/cti (signature, permissions-required)
- vuldb.com/submit/801529 (third-party-advisory)
- github.com/az10b/security-advisories/blob/main/cors_MeTube.md (exploit)
- github.com/alexta69/metube/pull/949 (issue-tracking, patch)
- github.com/alexta69/metube/commit/0072d3488ae5b8d922d3ee87458d829993742a32 (patch)
- github.com/alexta69/metube/releases/tag/2026.04.10 (patch)
- github.com/alexta69/metube/ (product)
Frequently asked questions
- What is CVE-2026-7581?
- CVE-2026-7581 is a medium-severity vulnerability in Alexta69 Metube, classified under Origin Validation Error. CVSS score: 4.3/10. Published 2026-05-01.
- How severe is CVE-2026-7581?
- Medium severity. CVSS v3 base score is 4.3 out of 10.