Data Exposure and Modification Vulnerability in IBM Langflow Software
CVE-2026-10134

10CRITICAL

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
30 June 2026

What is CVE-2026-10134?

The vulnerability in IBM Langflow allows an attacker to read and manipulate all secrets within the Langflow process. This includes access to every flow, conversation, and saved component in the database. Attackers can exploit this flaw to connect to internal services and abuse cloud metadata endpoints. Furthermore, they can move laterally between tenants within the same instance and establish persistence by altering public flow tool codes, leading to unauthorized code execution on subsequent requests.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.9.3

References

https://www.ibm.com/support/pages/node/7277559
vendor-advisorypatch

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.