CVE-2026-86306

light0011 cms Cookie Helper UserModel.class.php improper authentication

HIGH
7.3
CVSS Score
Published: September 7, 2026 at 01:00 PM UTC
Updated: September 8, 2026 at 04:18 PM UTC
1 product affected across 1 vendorCMS

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Severity
HIGH7.3
Exploit prediction
EPSS 0.7%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

c774dce31c6df0055568a8d5c53d964d99be199df72cf46f601efb2a0618c3814cc2f61380b38930

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/399479
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/399479/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-86306
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/894817
ExploitIssue Tracking
Source: cverecord
https://github.com/light0011/cms/issues/11
Product
Source: cverecord
https://github.com/light0011/cms/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-287

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