---
id: CVE-2026-93982
title: >-
  OpenPanel through commit bad75bdd writes Model Context Protocol authentication
  tokens from URL query parameters to plaintext application logs without
  redaction
summary: >-
  OpenPanel through commit bad75bdd writes Model Context Protocol authentication
  tokens from URL query parameters to plaintext application logs without
  redaction. Attackers with access to application stdout or centralized logging
  systems c…
severity: low
cvss: 3.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-532
vendor: Openpanel-dev
product: openpanel
affected:
  - openpanel <= bad75bddc74d12d36cfb843f4531d3b830a8d994
published: '2026-09-19'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T20:43:58.793'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93982'
references:
  - url: >-
      https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-8wx6-g25r-2943
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/openpanel-mcp-authentication-token-in-query-parameter-logged-plaintext
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-8wx6-g25r-2943
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00167
epssPercentile: 0.05285
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-21T18:33:13.623720Z'
ingestedAt: '2026-09-19T12:02:33.563Z'
---

## Overview

OpenPanel through commit bad75bdd writes Model Context Protocol authentication tokens from URL query parameters to plaintext application logs without redaction. Attackers with access to application stdout or centralized logging systems can capture base64-encoded credentials to replay MCP requests and access project analytics.

## Remediation

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