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CVE-2026-87820— CyberPanel 2.4.3 through 2.4.5 Information Disclosure via AI Scanner

Quick assessment

Affected
usmannasir cyberpanel
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Usman Nasir CyberPanel是Usman Nasir个人开发者的一款网站管理控制面板。 Usman Nasir CyberPanel 2.4.3至2.4.5之前版本存在信息泄露漏洞，该漏洞源于未经验证的AI Scanner调试端点泄露管理员用户名、API密钥前缀、扫描标识符、目标域名和账户元数据，可能导致未经验证的攻击者枚举面板管理员和近期扫描活动，从而清点多租户安装并便于后续攻击。

CVSS 5.3 · Medium EPSS 0.87% · P59

Public Exploits 1

Nuclei · 1 CVE-2026-87820.yaml [template]

Affected Version Matrix 2

VendorProduct Version RangeStatus
usmannasir cyberpanel 2.4.3< 2.4.6 affected
2.4.6 unaffected
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I. Basic Information for CVE-2026-87820

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
CyberPanel 2.4.3 through 2.4.5 Information Disclosure via AI Scanner
Source: CVE Program / CVE List V5
Vulnerability Description
CyberPanel versions 2.4.3 through 2.4.5 expose unauthenticated AI Scanner debugging endpoints that disclose administrator usernames, API-key prefixes, scan identifiers, target domains, and account metadata. Unauthenticated attackers can enumerate panel administrators and recent scanner activity to inventory multi-tenant installations and facilitate follow-on attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Usman Nasir CyberPanel 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Usman Nasir CyberPanel是Usman Nasir个人开发者的一款网站管理控制面板。 Usman Nasir CyberPanel 2.4.3至2.4.5之前版本存在信息泄露漏洞，该漏洞源于未经验证的AI Scanner调试端点泄露管理员用户名、API密钥前缀、扫描标识符、目标域名和账户元数据，可能导致未经验证的攻击者枚举面板管理员和近期扫描活动，从而清点多租户安装并便于后续攻击。
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
usmannasir cyberpanel 2.4.3 ~ 2.4.6 -

II. Public POCs for CVE-2026-87820

# POC Description Source Link Shenlong Link
1 CyberPanel versions 2.4.3 through 2.4.5 expose unauthenticated AI Scanner debugging endpoints that disclose administrator usernames, API-key prefixes, scan identifiers, target domains, and account metadata. Unauthenticated attackers can enumerate panel administrators and recent scanner activity to inventory multi-tenant installations and facilitate follow-on attacks. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-87820.yaml POC Details
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III. Intelligence Information for CVE-2026-87820

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Patches & Fixes for CVE-2026-87820 (1)

Vendor Advisories for CVE-2026-87820 (2)

IV. Related Vulnerabilities

Same product: cyberpanel
Same vendor: usmannasir
Same weakness: CWE-200