RCE as root in widely deployed cPanel hosting control panel; could enable full host takeover across many web hosts and shared servers.
CVE-2026-67401
SQL injection in cPanel EmailTrack enabling RCE as root
Is CVE-2026-67401 being exploited?
Not confirmed. CVE-2026-67401 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 1.0% probability of exploitation in the next 30 days.
How severe is CVE-2026-67401?
CVE-2026-67401 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-2026-67401?
Yes. A fix has been recorded for CVE-2026-67401. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-67401 affect?
CVE-2026-67401 affects cPanel EmailTrack (mail-enabled accounts), cPanel-managed Linux hosts. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-67401?
Apply cPanel security update immediately or disable EmailTrack until patched
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Mail-enabled account can exploit SQLi in EmailTrack to achieve remote code execution as root, enabling full system takeover and data/control loss.
Immediate action required
- affected< 11.134.0.55
- affected< 11.136.0.39
- affected< 11.138.0.4
- affected< 11.138.1.9
- affected< 11.110.0.143
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.