What’s Vulnerable › Vulnerabilities

CVE-2026-17626: Langflow is affected by security vulnerabilities in Model Context Protocol features

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-05 · updated 2026-10-23
• Weakness: CWE-266

Description

IBM Langflow OSS 1.0.0 through 1.10.3 Langflow could allow an authenticated attacker to read, modify, or expose sensitive host files via Docker-based MCP servers due to incomplete filtering of dangerous Docker volume-mount and device-mapping arguments.

Affected products

• IBM Langflow OSS: from 1.0.0 before 1.11.0 — fixed in 1.11.0

How to fix

Upgrade to a fixed version: IBM Langflow OSS 1.11.0. Check the vendor advisory for mitigations.

References

• https://www.ibm.com/support/pages/node/7282147

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