Vulnerability Description
IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read and modify every flow, conversation, message, file upload, and saved component in the Langflow database, can connect to internal services, abuse cloud metadata endpoints, laterally move to other tenants on the same Langflow instance, and Establish persistence by modifying the public flow's `tool_code` so normal `/api/v1/build/...` calls by any user re-execute attacker code at each build.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Langflow | Langflow | >= 1.0.0, <= 1.9.3 |
Related Weaknesses (CWE)
References
- https://www.ibm.com/support/pages/node/7277559Vendor Advisory
FAQ
What is CVE-2026-10134?
CVE-2026-10134 is a vulnerability with a CVSS score of 10.0 (CRITICAL). IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read and modify every flow, conversation, message, file upload, and saved component in t...
How severe is CVE-2026-10134?
CVE-2026-10134 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-10134?
Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow.