Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-86306

CVE-2026-86306MEDIUM

light0011 cms Cookie Helper UserModel.class.php improper authentication

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   L   L   L    5.5   .0069   51.0     —

AFFECTED
  Product  Versions                                    Fixed
  cms      c774dce31c6df0055568a8d5c53d964d99be199d –  —

TIMELINE
  Sep 6   Reserved by VulDB
  Sep 7   Published (CNA: VulDB)
  Sep 8   EXPLOIT PUBLISHED — CVE-2026-86306 (light0011 cms). Public exploit reference added.

CWE-287 · CNA: VulDB · CVSS v4.0 · 6 references · NVD status: Deferred

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 6, 2026	Reserved	Reserved by VulDB
September 7, 2026	Published	Published (CNA: VulDB)
September 8, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-86306 (light0011 cms). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
light0011	cms	—	c774dce31c6df0055568a8d5c53d964d99be199d	—

Weaknesses

CWE-287

References (6)

Authoritative record: CVE-2026-86306 at cve.org

Vendors: light0011

Weaknesses: CWE-287

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-86306 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.