CVE-2026-68488 Race condition in Plesk
Local attackers can exploit a race condition to escalate privileges to root by manipulating symlinks during file ownership changes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-68488?
CVE-2026-68488 is a critical vulnerability in WebPros Plesk, published on 10 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-367
Which versions are affected by CVE-2026-68488?
How do I fix CVE-2026-68488?
No fix has been published for CVE-2026-68488 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-68488 being exploited?
There is no known exploitation of CVE-2026-68488 in the wild and no public exploit code.
Sources
Also known as GHSA-f649-qj8x-m2x6.