CVE-2025-66507— 1Panel – CAPTCHA Bypass via Client-Controlled Flag
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I. Basic Information for CVE-2025-66507
Vulnerability Information
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Vulnerability Title
1Panel – CAPTCHA Bypass via Client-Controlled Flag
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端安全的客户端实施
Source: NVD (National Vulnerability Database)
Vulnerability Title
1Panel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
1Panel是中国1Panel社区的一个开源的Linux服务器运维管理面板。 1Panel 2.0.13及之前版本存在安全漏洞，该漏洞源于未验证客户端参数，可能导致CAPTCHA绕过和账户接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| 1Panel-dev | 1Panel | < 2.0.14 | - |
II. Public POCs for CVE-2025-66507
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/1Panel-dev/1Panel/releases/tag/v2.0.14x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2025-66507
IV. Related Vulnerabilities
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V. Comments for CVE-2025-66507
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