Excessive Authentication Attempts Vulnerability in IBM Langflow OSS
CVE-2026-19297

9.1CRITICAL

Key Information:

Vendor

IBM
Status
Langflow Oss
Vendor
CVE Published:
13 August 2026

What is CVE-2026-19297?

The vulnerability in IBM Langflow OSS allows remote attackers to exploit improper handling of excessive authentication attempts, potentially leading to unauthorized access to user accounts. This issue exists in versions 1.0.0 through 1.9.6, highlighting the importance of implementing robust authentication controls and monitoring mechanisms to safeguard user data from malicious actors.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.9.6

References

https://www.ibm.com/support/pages/node/7283558
vendor-advisorypatch

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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