CVE-2026-6601
Lagom WHMCS Template Datatables resource consumption
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 5.3EPSS 0.3%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
20 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability has been found in Lagom WHMCS Template up to 2.4.2. This impacts an unknown function of the component Datatables. The manipulation leads to resource consumption. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
Lagom · WHMCS Templatepublic PoCs found — 1
cve_referencegithub.com/devsamuelsantiago/lagom-whmcs-dos-pocunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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