CVE-2026-12766: IBM Langflow OSS

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

Affected products

• IBM Langflow OSS: from 1.0.0, up to and including 1.11.2

Published 2026-09-14. Last modified 2026-09-16.