High severity7.5NVD Advisory· Published Aug 5, 2026· Updated Aug 6, 2026
CVE-2026-8446
CVE-2026-8446
Description
IBM Langflow OSS 1.0.0 through 1.10.3 contain an authentication bypass vulnerability in the Model Context Protocol (MCP) composer endpoint when mcp_composer_enabled=true (default) and projects are configured with auth_type=oauth .
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: 1.0.0 - 1.10.3
Patches
Vulnerability mechanics
References
1- www.ibm.com/support/pages/node/7282147nvdVendor Advisory
News mentions
2- Langflow OSS: 24 Vulnerabilities Disclosed Together, Posing Severe RisksVypr Intelligence · Aug 5, 2026
- IBM Langflow OSS: 23 Vulnerabilities Disclosed Together, Enabling Code Execution and Data BreachesVypr Intelligence · Aug 5, 2026