CVE-2025-66507

1Panel is an open-source, web-based control panel for Linux server management. Versions 2.0.13 and below allow an unauthenticated attacker to disable CAPTCHA verification by abusing a client-controlled parameter. Because the server previously trusted this value without proper validation, CAPTCHA protections can be bypassed, enabling automated login attempts and significantly increasing the risk of account takeover (ATO). This issue is fixed in version 2.0.14.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/1Panel-dev/1Panel/commit/ac43f00273be745f8d04b90b6e2b9c1a40ef7bca	Patch
https://github.com/1Panel-dev/1Panel/releases/tag/v2.0.14	Release Notes
https://github.com/1Panel-dev/1Panel/security/advisories/GHSA-qmg5-v42x-qqhq	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:fit2cloud:1panel:*:*:*:*:*:*:*:*

History

14 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) 1Panel es un panel de control de código abierto, basado en web, para la gestión de servidores Linux. Las versiones 2.0.13 e inferiores permiten a un atacante no autenticado deshabilitar la verificación CAPTCHA abusando de un parámetro controlado por el cliente. Debido a que el servidor previamente confiaba en este valor sin una validación adecuada, las protecciones CAPTCHA pueden ser eludidas, lo que permite intentos de inicio de sesión automatizados y aumenta significativamente el riesgo de toma de control de cuenta (ATO). Este problema está solucionado en la versión 2.0.14.

Information

Published : 2025-12-09 16:18

Updated : 2026-10-14 21:10

NVD link : CVE-2025-66507

Mitre link : CVE-2025-66507

CVE.ORG link : CVE-2025-66507

JSON object : View

Products Affected

fit2cloud

1panel

CWE

CWE-290

Authentication Bypass by Spoofing

CWE-602

Client-Side Enforcement of Server-Side Security

CWE-807

Reliance on Untrusted Inputs in a Security Decision

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