CVE-2026-86306CWE-287

CVE-2026-86306

High · published September 7, 2026

CVSS v3.1
7.3
EPSS
1%
Percentile
52.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
6.9 · 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
EPSS
0.00686 · 52.1th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-09-07T17:20Z
References (6)
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 1%
    epss
  • 07 SEP 13:00Z
    light0011 cms Cookie Helper UserModel.class.php improper authentication
    cvelistv5