What is CVE-2026-10128?

CVE-2026-10128 is a medium-severity vulnerability in IBM Langflow Oss, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-08-05.

How severe is CVE-2026-10128?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in IBM Langflow Oss

CVE-2026-10128

IBM Langflow OSS 1.0.0 through 1.10.3 allows authenticated users can exploit a built-in Langflow component to read arbitrary server environment variables, exposing sensitive secrets despite security controls intended to disable custom components.

Vulnerability class: Information Disclosure

EPSS: 0.002 (13.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Ibm Langflow Oss — versions 1.0.0
Langflow

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-10128?: CVE-2026-10128 is a medium-severity vulnerability in IBM Langflow Oss, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-08-05.
How severe is CVE-2026-10128?: Medium severity. CVSS v3 base score is 6.5 out of 10.