Vulnerability Report

CVE-2026-10134

RCE

Title: Multiple vulnerabilities in IBM Langflow OSS

Information Disclosure, RCE, Persistence

Proof Of Concept

PoC Available for CVE-2026-10134

CWE Category CWE-94

Published Date Jun 30, 2026

Modified Date Jul 02, 2026

Exploit Status Available

Score 10.0 CVSS v3.1

Exploit Probability (EPSS)

0.64%

Vulnerability Summary

CVE-2026-10134: 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.

Impacted Vendors

langflow 1

Reference Links

https://www.ibm.com/support/pages/node/7277559

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

10.0

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns