{"id":"CVE-2026-55255","vendor_project":"Langflow","product":"Langflow","vulnerability_name":"Langflow Authorization Bypass Through User-Controlled Key Vulnerability","date_added":"2026-07-07","due_date":"2026-07-10","known_ransomware_use":"Unknown","short_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.","required_action":"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.","cwes":"CWE-639","cvss_version":"3.1","cvss_severity":"HIGH","cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","nvd_published":"2026-06-23","nvd_status":"Analyzed","epss":0.00887,"epss_percentile":0.57782,"cvss_score":8.4,"days_published_to_kev":14,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2026-55255","by":"CyberMax"}