What’s Vulnerable › Vulnerabilities
CVE-2026-9077: Reliance on Untrusted Inputs in a Security Decision vulnerabilities in Model Context Protocol features
- Severity: high (CVSS 8.5 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 2026-08-06
- Weakness: CWE-807
Description
IBM Langflow OSS 1.0.0 through 1.10.3 Langflow allows remote authenticated attackers to bypass localhost-only restrictions and write arbitrary MCP server configurations to IDE configuration files on the host system.
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
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