CVE-2026-68488

CriticalCVSS 9.9/10Last modified Sep 10, 2026

Description

A Time-of-check Time-of-use (TOCTOU) race condition leading to insecure symlink following in Plesk causes local privilege escalation to root via arbitrary file/directory ownership takeover.

Metrics

CVSS 3.0 9.9/10CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-367

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
WebPros	Plesk	<= 18.0.80.6; <= 18.0.79.10

References

https://support.plesk.com/hc/en-us/articles/43248932867351-Vulnerability-in-Plesk-s-Backup-Manager-symlink-race-during-restore-allows-root-privilege-escalation

Timeline

Published: Sep 10, 2026
Last modified: Sep 10, 2026
NVD status: Awaiting Analysis

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