cve-2026-55255

{
  "cvss": 8.4,
  "datePublished": "2026-06-26T00:00:00Z",
  "dateUpdated": "2026-06-26T00:00:00Z",
  "description": "Langflow contains an authorization bypass through user-controlled key vulnerability which allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request.",
  "dueDate": "2026-07-10T00:00:00Z",
  "id": "CVE-2026-55255",
  "kev_catalogs": [
    "vulncheck"
  ],
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Langflow",
  "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
  "severity": "HIGH",
  "source": "vulncheck_kev",
  "title": "Langflow Authorization Bypass Through User-Controlled Key Vulnerability",
  "vendor": "Langflow"
}