What is CVE-2026-4502?

CVE-2026-4502 is a medium-severity vulnerability in Ibm Langflow Desktop, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-04-30.

How severe is CVE-2026-4502?

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

Path Traversal in Ibm Langflow Desktop

CVE-2026-4502

IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (19.9th 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:N/I:H/A:N.

Affected products

Ibm Langflow Desktop — versions 1.2.0
Langflow Langflow_desktop

Weakness classification (CWE)

CWE-22 — Path Traversal

References

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

Frequently asked questions

What is CVE-2026-4502?: CVE-2026-4502 is a medium-severity vulnerability in Ibm Langflow Desktop, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-04-30.
How severe is CVE-2026-4502?: Medium severity. CVSS v3 base score is 6.5 out of 10.