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.
Fix
Public exploits 2
- Langflow AI Public Flow Build Unauth RCE (exploit module) Metasploit · verified · 2026-07-17
- rmhowe425/POC-CVE-2026-10134 PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
- https://www.ibm.com/support/pages/node/7277559 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
In the news 1
Change history 1
- First seenCVSS 10.0 · langflowNVD modified 2026-10-25 21:10
Affected (CPE criteria) 1
cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
References 1
- https://www.ibm.com/support/pages/node/7277559 Vendor Advisory