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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-67399

Deserialization of untrusted data in WHMCS 9.0.0 before 9.0.8 and 8.0.0 before 8.13.7 allows remote attackers to execute arbitrary code.

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Status
Published
Published
Updated
Assigning organization
hackerone

Description

Deserialization of untrusted data in WHMCS 9.0.0 before 9.0.8 and 8.0.0 before 8.13.7 allows remote attackers to execute arbitrary code.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

WebPros WHMCS

Default version status: unaffected

  • 9.0.0 to < 9.0.8affected
  • 8.0.0 to < 8.13.7affected

References