CVE-2026-68488
A race condition in Plesk allows a local attacker to exploit insecure symlink handling, giving them root privileges. The flaw lets the attacker take ownership of any file or directory. This can be used to fully compromise the server.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
Plesk web hosting control panel (all versions, as no specific version is listed).
Real-world impact
An attacker who can run code on the Plesk server can gain root access, enabling them to read, modify, or delete any data, install malware, or take the entire system offline.
Why this severity
The CVSS score of 9.9 reflects that the vulnerability can be triggered over the network, requires only low complexity and low privileges, needs no user interaction, and gives complete control over confidentiality, integrity, and availability.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources