Vulnerability · Published Sep 3, 2026 · Assigned by hackerone

CVE-2026-67397

High 8.5

In plain English

A high-severity path traversal 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 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 4.0)8.5High
Exploit odds (30 days)0.2%top 93.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Path traversal in Plesk 18.0.79.9 and earlier and 18.0.80 through 18.0.80.5 allows local users to execute arbitrary code as root.

Affected products (as reported)

VendorProductVersions
WebPros Plesk 0 – before 18.0.79.918.0.80 – before 18.0.80.5

Weakness: CWE-22 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References