CVE-2026-10560 HIGH

CVE-2026-10560: Unauthenticated Access to Private Flow Build Events and Cancellation in Langflow OSS

Vendor Ibm
Product Langflow OSS
Weakness CWE-287 · Improper authentication
Published June 30, 2026
Last update July 1, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

IBM Langflow OSS 1.0.0 through 1.9.6 contains a missing authentication vulnerability in /api/v1/build_public_tmp/ endpoints that allows an unauthenticated attacker to read build event data or cancel jobs using a valid job identifier, resulting in information disclosure and denial of service.

Key dates

02Disclosure timeline

June 30, 2026 CVE published
July 1, 2026 Record updated