CVE-2026-104080

CVSS 8.5 (high) · published 2026-11-02

Control Web Panel (CWP) before webpanel_version 1.29 contains an OS command injection vulnerability in the loopback API /valid_token/ route that allows unauthenticated attackers to execute arbitrary commands as root by injecting shell metacharacters into the unvalidated 'user' parameter. Attackers can send a crafted request to the /valid_token/ route, which passes the parameter unescaped into a shell_exec() call.

Weakness: CWE-78

Source: NVD CVE-2026-104080

References

• https://control-webpanel.com/changelog
• https://www.vulncheck.com/advisories/control-web-panel-cwp-os-command-injection-via-valid-token
• https://www.vulncheck.com/blog/control-web-panel-pre-auth-module-dispatch-rce

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