CVE-2026-87900 Command injection in WP Toolkit for cPanel
Authenticated attackers can inject arguments to read arbitrary files and execute code across customer accounts in WP Toolkit for cPanel.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-87900?
CVE-2026-87900 is a critical command injection vulnerability in WebPros WP Toolkit for cPanel, published on 23 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Argument injection in WP Toolkit for cPanel 6.11.2-10794 and earlier allows remote authenticated users to read arbitrary files and execute arbitrary code across customer accounts.
Weakness: CWE-88
Which versions are affected by CVE-2026-87900?
How do I fix CVE-2026-87900?
No fix has been published for CVE-2026-87900 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-87900 being exploited?
There is no known exploitation of CVE-2026-87900 in the wild and no public exploit code.
Sources
Also known as GHSA-3vmc-c4p8-fp6x.