CVE-2026-7581
CVE-2026-7581 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-346.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 5.0
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (7th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-26501
- Weakness: CWE-346
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-7581?
- CVE-2026-7581 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2026-7581 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-7581?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-7581 have an EU (EUVD) identifier?
- Yes. CVE-2026-7581 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26501.
- When was CVE-2026-7581 published?
- CVE-2026-7581 was published on 2026-05-01 and last updated on 2026-06-17.
References
- https://github.com/alexta69/metube/
- https://github.com/alexta69/metube/commit/0072d3488ae5b8d922d3ee87458d829993742a32
- https://github.com/alexta69/metube/pull/949
- https://github.com/alexta69/metube/releases/tag/2026.04.10
- https://github.com/az10b/security-advisories/blob/main/cors_MeTube.md
- https://vuldb.com/submit/801529
- https://vuldb.com/vuln/360528
- https://vuldb.com/vuln/360528/cti
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