critical9.3
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.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| WHMCS | WHMCS 9.0.0 | before 9.0.8 |
| 8.0.0 | before 8.13.7 |
Versions were read from the advisory text. No structured product data has been published for this record yet.