CVE-2026-67399

State
Published
Severity
9.3 Critical
Published
Sep 14, 2026
Updated
Sep 15, 2026
Reserved
Jul 29, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.09.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nhackerone

Weaknesses

  • CWE-502 Deserialization of Untrusted Data

Affected Products

ProductVersions
WHMCSWebPros
  • 9.0.0 to before 9.0.8Affected
  • 8.0.0 to before 8.13.7Affected

References

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