CVE-2026-6601

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 v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/devsamuelsantiago/lagom-whmcs-dos-poc
https://vuldb.com/submit/791943
https://vuldb.com/vuln/358236
https://vuldb.com/vuln/358236/cti

Configurations

No configuration.

History

20 Apr 2026, 04:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-20 04:16

Updated : 2026-04-29 01:00

NVD link : CVE-2026-6601

Mitre link : CVE-2026-6601

CVE.ORG link : CVE-2026-6601

JSON object : View

Products Affected

No product.

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-404

Improper Resource Shutdown or Release

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