Vulnerability · Published Sep 10, 2026 · Assigned by hackerone

CVE-2026-68487

Critical 9.9

In plain English

A critical-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 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.0)9.9Critical
Exploit odds (30 days)0.6%top 48.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Path traversal in Plesk's Backup Manager causes arbitrary file write as root by an authenticated customer.

Affected products (as reported)

VendorProductVersions
WebPros Plesk 0 – through 18.0.80.60 – through 18.0.79.10

Weakness: CWE-36 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References