---
id: CVE-2026-82787
title: >-
  Missing authentication for critical function vulnerability exists in
  CPSL-08P1EN
summary: >-
  Missing authentication for critical function vulnerability exists in
  CPSL-08P1EN. If this vulnerability is exploited, an affected product may be
  operated by a remote attacker without authentication.
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-306
vendor: 'Contec Co., Ltd.'
product: CPSL-08P1EN
affected:
  - CPSL-08P1EN < 2.3.10
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:27:25.623'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82787'
references:
  - url: 'https://jvn.jp/en/vu/JVNVU96551518/'
    label: vultures@jpcert.or.jp
  - url: >-
      https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf
    label: vultures@jpcert.or.jp
tags:
  - nvd
  - cve.org
epss: 0.00669
epssPercentile: 0.49755
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-14T11:05:18.424779Z'
ingestedAt: '2026-09-14T15:23:07.462Z'
---

## Overview

Missing authentication for critical function vulnerability exists in CPSL-08P1EN. If this vulnerability is exploited, an affected product may be operated by a remote attacker without authentication.

## Remediation

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