light0011 cms Cookie Helper UserModel.class.php Username improper authentication

Summaryinfo

A vulnerability has been found in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930 and classified as critical. This vulnerability affects unknown code of the file App/Home/Model/UserModel.class.php of the component Cookie Helper. The manipulation of the argument Username leads to improper authentication. This vulnerability is traded as CVE-2026-86306. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930 and classified as critical. This issue affects an unknown part of the file App/Home/Model/UserModel.class.php of the component Cookie Helper. The manipulation of the argument username with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-86306. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. By approaching the search of inurl:App/Home/Model/UserModel.class.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• light0011

Name

• cms

Version

• c774dce31c6df0055568a8d5c53d964d99be199d
• f72cf46f601efb2a0618c3814cc2f61380b38930

Website

• Product: https://github.com/light0011/cms/

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Submitinfo

Accepted

• Submit #894817: light0011 cms f72cf46f601efb2a0618c3814cc2f61380b38930 Improper Authentication (by 404my)

Be aware that VulDB is the high quality source for vulnerability data.

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