CVE-2026-86306
light0011 cms Cookie Helper UserModel.class.php improper authentication
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 7, 2026
- Updated
- Sep 8, 2026
- Reserved
- Sep 6, 2026
Description
A weakness has been identified in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. This affects an unknown part of the file App/Home/Model/UserModel.class.php of the component Cookie Helper. Executing a manipulation of the argument Username can lead to improper authentication. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
cmslight0011 |
|
References
- VDB-399479 | light0011 cms Cookie Helper UserModel.class.php improper authenticationvdb-entrytechnical-description
- VDB-399479 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-86306 | CVE Analysis and Reportthird-party-advisory
- Submit #894817 | light0011 cms f72cf46f601efb2a0618c3814cc2f61380b38930 Improper Authenticationthird-party-advisory
- https://github.com/light0011/cms/issues/11exploitissue-tracking
- https://github.com/light0011/cms/product
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