CVE-2026-81268 HIGH

CVE-2026-81268: Langflow is vulnerable to authentication bypass and insufficient session expiration

Vendor Ibm
Product Langflow OSS
Weakness CWE-613 · Insufficient session expiration
Published September 10, 2026
Last update September 12, 2026
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute flows and obtain sensitive information due to insufficient session expiration of API keys after user deactivation.

Key dates

02Disclosure timeline

September 10, 2026 CVE published
September 12, 2026 Record updated