What is CVE-2026-7524?

CVE-2026-7524 is a critical-severity vulnerability in IBM Langflow Oss, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-05-27.

How severe is CVE-2026-7524?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in IBM Langflow Oss

CVE-2026-7524

IBM Langflow OSS 1.0.0 through 1.9.1 could allow remote code execution due to improper validation of symbolic links during archive extraction.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-05-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.001

Affected products

IBM Langflow Oss — versions 1.0.0
Langflow

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.ibm.com/support/pages/node/7273426 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-7524?: CVE-2026-7524 is a critical-severity vulnerability in IBM Langflow Oss, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-05-27.
How severe is CVE-2026-7524?: Critical severity. CVSS v3 base score is 9.8 out of 10.