alexta69 MeTube CORS Policy main.py on_prepare cross-domain policy
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-346.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA MeTube (alexta69) Fixed in 2026.04.10
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7581
- 2026-10-03 Alias added: GHSA-c36v-xjp4-hxrw
References
Patch 3
More alexta69 vulnerabilities
- TI-2026-54292 alexta69 MeTube Cookie File cookies.txt file access CVSS 4.0MEDIUM 6.9
- TI-2026-76238 Server-side request forgery in alexta69 MeTube feed metadata handler CVSS 4.0MEDIUM 6.3
Sources
- CVE-2026-7581 · CVE Program
- CVE-2026-7581 · NVD
- FIRST EPSS
- GHSA-c36v-xjp4-hxrw · GitHub Advisory Database · CC BY 4.0
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