---
id: CVE-2026-86709
title: >-
  The Pressengine WordPress plugin through 1.0 does not stop its login handler
  from issuing a session when authentication fails, allowing unauthenticated
  attackers to log in as any user, including administrators.
summary: >-
  The Pressengine WordPress plugin through 1.0 does not stop its login handler
  from issuing a session when authentication fails, allowing unauthenticated
  attackers to log in as any user, including administrators.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-287
product: The Pressengine
affected:
  - the_pressengine <= 1.0
published: '2026-09-17'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T19:08:32.830'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86709'
references:
  - url: 'https://wpscan.com/vulnerability/4b0b16eb-c638-479b-ab65-1cead53f32a8/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00336
epssPercentile: 0.27064
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-17T12:13:28.036993Z'
ingestedAt: '2026-09-17T06:12:17.977Z'
---

## Overview

The Pressengine WordPress plugin through 1.0 does not stop its login handler from issuing a session when authentication fails, allowing unauthenticated attackers to log in as any user, including administrators.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.