CVE-2026-19297 PUBLISHED

Insufficient Authentication Brute Force Protection on Login Endpoint

Assigner: ibm
Reserved: 07.08.2026 Published: 13.08.2026 Updated: 13.08.2026

IBM Langflow OSS 1.0.0 through 1.9.6 could allow a remote attacker to obtain unauthorized access to user accounts due to improper restriction of excessive authentication attempts.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 9.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	IBM
Product	Langflow OSS
Versions	affected from 1.0.0 to 1.9.6 (incl.)

Solutions

IBM recommends addressing the vulnerability now by upgrading to Langflow OSS 1.10.0 or newer https://pypi.org/project/langflow/

References

https://www.ibm.com/support/pages/node/7283558

Problem Types

CWE-307 Improper Restriction of Excessive Authentication Attempts CWE