Authorization Bypass Vulnerability in IBM Langflow OSS Product
CVE-2026-19298

8.8HIGH

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
4 September 2026

What is CVE-2026-19298?

IBM Langflow OSS versions 1.0.0 through 1.11.2 are susceptible to an authorization bypass that may enable a remote authenticated attacker to execute arbitrary code during the flow build process. This vulnerability poses risks that necessitate immediate attention from users of affected versions to mitigate potential exploits.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.11.2

References

https://www.ibm.com/support/pages/node/7285640
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.