Vulnerability Description
1Panel is an open-source, web-based control panel for Linux server management. Versions 2.0.14 and below use Gin's default configuration which trusts all IP addresses as proxies (TrustedProxies = 0.0.0.0/0), allowing any client to spoof the X-Forwarded-For header. Since all IP-based access controls (AllowIPs, API whitelists, localhost-only checks) rely on ClientIP(), attackers can bypass these protections by simply sending X-Forwarded-For: 127.0.0.1 or any whitelisted IP. This renders all IP-based security controls ineffective. This issue is fixed in version 2.0.14.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fit2Cloud | 1Panel | < 2.0.14 |
Related Weaknesses (CWE)
References
- https://github.com/1Panel-dev/1Panel/commit/94f7d78cc9768ee244da33e09408017d1f68Patch
- https://github.com/1Panel-dev/1Panel/security/advisories/GHSA-7cqv-qcq2-r765Vendor Advisory
FAQ
What is CVE-2025-66508?
CVE-2025-66508 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 1Panel is an open-source, web-based control panel for Linux server management. Versions 2.0.14 and below use Gin's default configuration which trusts all IP addresses as proxies (TrustedProxies = 0.0....
How severe is CVE-2025-66508?
CVE-2025-66508 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-66508?
Check the references section above for vendor advisories and patch information. Affected products include: Fit2Cloud 1Panel.