Insufficient verification of data authenticity in 1Panel - CVE-2025-66508
Published: December 8, 2025
Vulnerability identifier: #VU119289
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-66508
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to the application accepts the X-Forwarded-For HTTP header and trusts information passed through this header. A remote attacker can spoof their IP address and bypass IP-based access controls.
Affected software
1Panel
How to mitigate CVE-2025-66508
Install updates from vendor's website.
1Panel - update to 2.0.14