# CVE-2026-57517: Control Web Panel blind SQL injection in userRes parameter

Source: https://junglewise.ai/threats/cve-2026-57517-control-web-panel-blind-sql-injection-in-userres-parameter  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-01. Updated: 2026-07-01  
License: CC BY 4.0 with a link back

CVE-2026-57517 · Severity: critical · CVSS 9.8 · Published 2026-07-01

Control Web Panel, a server management interface for system administrators, contains a critical security flaw. An unauthenticated attacker can remotely execute commands on the server by sending specially crafted data to the user login endpoint. This could lead to a complete takeover of the server, unauthorized access to customer data, and full disruption of hosted services.

## Quick answers

**Is CVE-2026-57517 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-57517 being exploited in the wild.

**How severe is CVE-2026-57517?** Critical severity, with a CVSS score of 9.8, published 1 July 2026.

**Which products and versions are affected?** Control Web Panel (CWP) Control Web Panel before 0.9.8.1225.

**Is there a fix for CVE-2026-57517?** A patch was published on 2026-05-06: Version 0.9.8.1225 released with security fix Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-57517 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-57517?** Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A blind SQL injection vulnerability exists in Control Web Panel (CWP) due to improper sanitization of the 'userRes' POST parameter at the user endpoint. An unauthenticated remote attacker who knows or guesses a valid non-root username can execute arbitrary SQL queries with MySQL root privileges. By leveraging the 'INTO DUMPFILE' capability, an attacker can write a PHP webshell into the web-accessible Roundcube logs directory (/usr/local/cwpsrv/var/services/roundcube/logs/). This results in remote code execution (RCE) under the context of the 'cwpsvc' account. The issue is resolved in version 0.9.8.1225.

## Affected products

- Control Web Panel (CWP) Control Web Panel before 0.9.8.1225

## Timeline

- 2026-05-06: patched: Version 0.9.8.1225 released with security fix
- 2026-06-26: other: CVE identifier assigned
- 2026-07-01: disclosed: Public disclosure of the vulnerability

## References

- [https://control-webpanel.com/changelog](https://control-webpanel.com/changelog)
- [https://karmainsecurity.com/KIS-2026-12](https://karmainsecurity.com/KIS-2026-12)
- [https://www.vulncheck.com/advisories/control-web-panel-blind-sql-injection-via-userres-parameter](https://www.vulncheck.com/advisories/control-web-panel-blind-sql-injection-via-userres-parameter)