CVE-2026-67399Critical· 9.3▾ MidnightDeserialization 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.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 51.2 · likelihood 0.2 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.7%
Last analysed / modified upstream
0.7% → 0.8%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-67398High· 8.2Missing authorization vulnerability has been discovered in 2Checkout payment gateway of WHMCS from 8.13.0 before 8.13.7, from 9.0.0 before 9.0.8, all other EOL versions from 4.5.0
CVE-2017-12149Critical· 9.8In Jboss Application Server as shipped with Red Hat Enterprise Application Platform 5.2, it was found that the doFilter method in the ReadOnlyAccessFilter of the HTTP Invoker does not restrict classes for which it performs deserializatio…
CVE-2026-87900Critical· 9.4Argument injection in WP Toolkit for cPanel 6.11.2-10794 and earlier allows remote authenticated users to read arbitrary files and execute arbitrary code across customer accounts.
CVE-2026-87899Critical· 9.4Execution with unnecessary privileges in cPanel allows remote authenticated users to execute arbitrary code with root privileges.
CVE-2026-87898Critical· 9.4OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.
CVE-2026-68492High· 8.7An untrusted search path vulnerability in Plesk from 18.0.34 before 18.0.80.8 and 18.0.81 before 18.0.81.1 allows remote authenticated users to execute arbitrary code as root via the "Plesk RESTful API" extension from 2.4.2 before 2.4.7.