Plesk is a widely deployed hosting control panel; an authenticated path traversal allowing arbitrary root file write can lead to widespread full-server compromise across hosting providers.
CVE-2026-68487
Auth path traversal in Plesk Backup Manager allows root file write
Is CVE-2026-68487 being exploited?
Not confirmed. CVE-2026-68487 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 0.36% probability of exploitation in the next 30 days.
How severe is CVE-2026-68487?
CVE-2026-68487 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-2026-68487?
Not known from our data. No patch reference has been recorded for CVE-2026-68487, 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-2026-68487 affect?
CVE-2026-68487 affects Plesk Control Panel - Backup Manager. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-68487?
Apply vendor patch immediately; if unavailable, restrict panel access, rotate credentials, audit systems.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can write arbitrary files as root via backup path traversal, enabling RCE, web shells, and full server takeover.
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.