Quick answers
- Is CVE-2026-87899 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87899 being exploited in the wild.
- How severe is CVE-2026-87899?
- Informational severity, published 23 September 2026.
- Which products and versions are affected?
- cPanel cPanel.
- Is there a fix for CVE-2026-87899?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-87899 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-87899?
- Check whether you run cPanel. 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
An execution with unnecessary privileges vulnerability in cPanel allows remote authenticated users to execute arbitrary code with root-level access. The vulnerability requires prior authentication but grants an attacker the highest privilege level available on the system. A patch is expected from cPanel to restrict privilege escalation.
Affected products
- cPanel cPanel
Timeline
- 2026-09-23: disclosed