CVE-2026-77877— Control Web Panel (CWP) < 1.30 Unauthenticated Loopback API Root Access

Quick assessment

Affected

Control Web Panel Control Web Panel

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 webpanel_version 1.30 之前的 Control Web Panel (CWP) 中存在一个身份验证缺失漏洞，使得能够访问回环 API 服务的攻击者无需提供访问令牌即可调用具有 root 权限的 API 路由。攻击者可利用该漏洞访问诸如 /v1/restoredatabase/、/generaluser/、/last_access/、/valid_user/、/valid_token/ 和 /user_panel_dashboard/ 等端点，以 root 权限执行未授权操作。

CVSS 8.4 · High Updated Nov 03, 2026

Possible ATT&CK Techniques 2 AI

T1551.003 T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Control Web Panel (CWP) < 1.30 Unauthenticated Loopback API Root Access

Source: CVE Program / CVE List V5

Vulnerability Description

Control Web Panel (CWP) before webpanel_version 1.30 contains a missing authentication vulnerability that allows attackers able to reach the loopback API service to invoke root-privileged API routes without presenting an access token. Attackers can access endpoints such as /v1/restoredatabase/, /generaluser/, /last_access/, /valid_user/, /valid_token/, and /user_panel_dashboard/ to perform unauthorized actions with root privileges.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

关键功能的认证机制缺失

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Control Web Panel	Control Web Panel	0 ~ 1.30	-

II. Public POCs for CVE-2026-77877

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-77877

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Other References for CVE-2026-77877 (3)

https://control-webpanel.com/changelog release-notes patch
https://www.vulncheck.com/blog/control-web-panel-pre-auth-module-dispatch-rce technical-description exploit
https://www.vulncheck.com/advisories/control-web-panel-cwp-unauthenticated-loopback-api-root-access third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-77877

Same Patch Batch · Control Web Panel · 2026-11-02 · 10 CVEs total

CVE-2026-77876	9.8 CRITICAL	Control Web Panel (CWP) < 1.16 OS Command Injection via protected_directory
CVE-2026-73696	9.1 CRITICAL	Control Web Panel (CWP) < 1.12 Execution After Redirect in CWPUserIndex
CVE-2026-73695	8.8 HIGH	Control Web Panel (CWP) < 1.16 Path Traversal via services/users/index.php
CVE-2026-73697	8.8 HIGH	Control Web Panel (CWP) < 1.16 File Write and Command Injection via phpini_editor
CVE-2026-77880	8.4 HIGH	Control Web Panel (CWP) < 1.16 OS Command Injection via /newpass/
CVE-2026-77878	8.4 HIGH	Control Web Panel (CWP) < 1.30 OS Command Injection via restoredatabase API
CVE-2026-104080	8.4 HIGH	Control Web Panel (CWP) < 1.30 OS Command Injection via valid_token
CVE-2026-77879	7.7 HIGH	Control Web Panel (CWP) < 1.16 SQL Injection via access_token() API
CVE-2026-77881	6.2 MEDIUM	Control Web Panel (CWP) < 1.30 Blind SQL Injection via user Parameter

IV. Related Vulnerabilities

Same product: Control Web Panel

Same vendor: Control Web Panel

Same weakness: CWE-306