CVE-2026-55255—Langflow Authorization Bypass Through User-Controlled Key Vulnerability

漏洞名称

Langflow Authorization Bypass Through User-Controlled Key Vulnerability

描述

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.

已知用于勒索软件活动吗？

勒索软件状态：

Unknown

采集行动

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.

其他说明

• https://github.com/langflow-ai/langflow/security/advisories/GHSA-qrpv-q767-xqq2
• BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
• Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
• https://nvd.nist.gov/vuln/detail/CVE-2026-55255

相关 CWE

• CWE-639