CVE-2026-68488CWE-367

CVE-2026-68488

Critical · published September 10, 2026

CVSS v3.0
9.9
EPSS
0%
Percentile
32.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
9.9 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00397 · 32.7th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2026-09-10T21:17Z
References (1)
https://support.plesk.com/hc/en-us/articles/43248932867351-Vulnerability-in-Plesk-s-Backup-Manager-symlink-race-during-restore-allows-root-privilege-escalation · [email protected]
EPSS history
Timeline
  • 12 SEP 03:21Z
    EPSS moved — → 0%
    epss
  • 10 SEP 16:24Z
    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…
    cvelistv5