CVE-2026-68488

State: Published
Severity: 9.9 Critical
Published: Sep 10, 2026
Updated: Sep 10, 2026
Reserved: Jul 30, 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.

Scores

CVSS	Score	Vector	Source
3.0	9.9 Critical	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	hackerone

Weaknesses

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Affected Products

Product	Versions
PleskWebPros	18.0.80.6 and earlierAffected 18.0.79.10 and earlierAffected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.