CVE-2026-57517 Control Web Panel < 0.9.8.1225 Blind SQL Injection via userRes Parameter
Unauthenticated attackers can exploit blind SQL injection to write files and achieve remote code execution on Control Web Panel servers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-57517?
CVE-2026-57517 is a critical SQL injection vulnerability in Control Web Panel, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Control Web Panel before 0.9.8.1225 contains a blind SQL injection vulnerability that allows unauthenticated remote attackers to execute arbitrary SQL queries by submitting unsanitized input through the userRes POST parameter at the user endpoint. Attackers can exploit MySQL root privileges obtained via the injection to write arbitrary files using INTO DUMPFILE, enabling deployment of a PHP webshell to the web-accessible roundcube logs directory and achieving remote code execution as the cwpsvc account.
Weakness: CWE-89
Which versions are affected by CVE-2026-57517?
How do I fix CVE-2026-57517?
No fix has been published for CVE-2026-57517 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-57517 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-57517 exists.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-pc6r-ch59-5926.