What is CVE-2026-19294?

CVE-2026-19294 is a medium-severity vulnerability in IBM Langflow Oss, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.4/10. Published 2026-08-28.

How severe is CVE-2026-19294?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Auth bypass in IBM Langflow Oss

CVE-2026-19294

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Ibm Langflow Oss

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-19294?: CVE-2026-19294 is a medium-severity vulnerability in IBM Langflow Oss, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.4/10. Published 2026-08-28.
How severe is CVE-2026-19294?: Medium severity. CVSS v3 base score is 6.4 out of 10.