cve-2026-42796

{
  "cvss": 0.0,
  "datePublished": "2026-09-18T00:00:00Z",
  "dateUpdated": "2026-09-18T00:00:00Z",
  "description": "Arelle before 2.39.10 contains an unauthenticated remote code execution vulnerability in the /rest/configure REST endpoint that accepts a plugins query parameter and forwards it to the plugin manager without authentication or authorization. Attackers can supply a URL to a malicious Python file through the plugins parameter, causing the Arelle webserver to download and execute the attacker-controlled code within the Arelle process with its privileges.",
  "dueDate": "",
  "id": "CVE-2026-42796",
  "kev_catalogs": [
    "vulncheck"
  ],
  "knownRansomwareCampaignUse": "Unknown",
  "product": "arelle",
  "requiredAction": "Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.",
  "severity": "HIGH",
  "source": "vulncheck_kev",
  "title": "workiva arelle Missing Authentication for Critical Functionality",
  "vendor": "workiva"
}