Lucene search
+L

CVE-2026-12763 Langflow is vulnerable to authentication bypass and insufficient session expiration

🗓️ 14 Sep 2026 20:32:35Reported by ibmType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

Auth bypass in IBM Langflow OSS 1.0.0-1.11.5 lets attacker access another user's MCP context.

Related
Affected
Refs
[
  {
    "vendor": "IBM",
    "product": "Langflow OSS",
    "versions": [
      {
        "status": "affected",
        "version": "1.0.0",
        "lessThanOrEqual": "1.11.5",
        "versionType": "semver"
      }
    ],
    "cpes": [
      "cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*",
      "cpe:2.3:a:ibm:langflow_oss:1.11.5:*:*:*:*:*:*:*"
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation