Plesk is a widely deployed hosting control panel; a local TOCTOU symlink flaw allows root takeover on many hosted servers—high-impact for hosting providers and web infrastructure.
CVE-2026-68488
Plesk Backup Manager TOCTOU symlink flaw enables local root takeover
Is CVE-2026-68488 being exploited?
Not confirmed. CVE-2026-68488 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.20% probability of exploitation in the next 30 days.
How severe is CVE-2026-68488?
CVE-2026-68488 is rated Critical with a CVSS score of 9.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-68488?
Not known from our data. No patch reference has been recorded for CVE-2026-68488, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-68488 affect?
CVE-2026-68488 affects Plesk (Backup Manager - restore operation), Plesk control panel installations on Linux servers. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-68488?
Apply vendor update when available; restrict local access and audit restore operations
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local attackers can exploit a symlink race during restore to escalate to root and take ownership of arbitrary files/dirs.
Immediate action required
- affected<= 18.0.80.6
- affected<= 18.0.79.10
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.