Vulnerability · Published Sep 23, 2026 · Assigned by hackerone
CVE-2026-68492
High 8.7
In plain English
A high-severity security flaw in Plesk from WebPros. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 51% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.7%top 48.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An untrusted search path vulnerability in Plesk from 18.0.34 before 18.0.80.8 and 18.0.81 before 18.0.81.1 allows remote authenticated users to execute arbitrary code as root via the "Plesk RESTful API" extension from 2.4.2 before 2.4.7.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WebPros | Plesk | 18.0.34 – before 18.0.80.818.0.81 – before 18.0.81.1 |
| WebPros | Plesk extension "Plesk RESTful API" | 2.4.2 – before 2.4.7 |
Weakness: CWE-426 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N