CVE-2026-6601Lagom WHMCS Template Datatables resource consumption
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No exploitation reported and no EPSS estimate yet.
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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
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-400, CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Apr 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Lagom WHMCS Template lagom:whmcs_template (from the name) | 2.4.0; 2.4.1; 2.4.2 | CNA record |
References
- https://vuldb.com/vuln/358236vdb-entry
- https://vuldb.com/vuln/358236/ctisignature, permissions-required
- https://vuldb.com/submit/791943third-party-advisory
- https://github.com/devsamuelsantiago/lagom-whmcs-dos-pocexploit
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.