What is CVE-2026-13445?

CVE-2026-13445 is a high-severity vulnerability in Ibm Langflow Oss, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-07-17.

How severe is CVE-2026-13445?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Ibm Langflow Oss

CVE-2026-13445

IBM Langflow OSS 1.0.0 through 1.10.1 can allow an authenticated attacker to exploit the SaveToFile component to read and modify another user's uploaded files by specifying absolute paths pointing to victim storage locations. In append mod…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Ibm Langflow Oss — versions 1.0.0

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-2026-13445?: CVE-2026-13445 is a high-severity vulnerability in Ibm Langflow Oss, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-07-17.
How severe is CVE-2026-13445?: High severity. CVSS v3 base score is 8.1 out of 10.