Quick answers
- Is CVE-2026-68492 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-68492 being exploited in the wild.
- How severe is CVE-2026-68492?
- Informational severity, published 23 September 2026.
- Which products and versions are affected?
- Plesk 18.0.34 to 18.0.80.7, 18.0.81 to 18.0.81.0; Plesk RESTful API 2.4.2 to 2.4.6.
- Is there a fix for CVE-2026-68492?
- 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-2026-68492 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-68492?
- Check whether you run Plesk or Plesk RESTful API at an affected version. 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 untrusted search path vulnerability exists in the Plesk RESTful API extension (versions 2.4.2 through 2.4.6) that allows remote authenticated users to achieve arbitrary code execution with root privileges. The vulnerability requires valid authentication credentials and affects Plesk versions 18.0.34 through 18.0.80.8 and 18.0.81 through 18.0.81.0. Patches are available in Plesk 18.0.80.8, 18.0.81.1, and later versions.
Affected products
- Plesk Plesk 18.0.34 to 18.0.80.7, 18.0.81 to 18.0.81.0
- Plesk Plesk RESTful API 2.4.2 to 2.4.6