What’s Vulnerable › Vulnerabilities
CVE-2026-19305: Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-04 · updated 2026-09-08
- Weakness: CWE-918
Description
IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to server-side request forgery.
Affected products
- IBM Langflow OSS: from 1.0.0 before 1.11.3 — fixed in 1.11.3
How to fix
Upgrade to a fixed version: IBM Langflow OSS 1.11.3. Check the vendor advisory for mitigations.
References
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