{"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"}