What is CVE-2026-16427?

CVE-2026-16427 is a medium-severity vulnerability in IBM Datastage On Cloud Pak For Data, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-11-08.

How severe is CVE-2026-16427?

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

Path Traversal in IBM Datastage On Cloud Pak For Data

CVE-2026-16427

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to write arbitrary files due to a path traversal vulnerability.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-11-08 · last modified 2026-11-08.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Datastage On Cloud Pak For Data — versions 5.4.0.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.ibm.com/support/pages/node/7294270 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-16427?: CVE-2026-16427 is a medium-severity vulnerability in IBM Datastage On Cloud Pak For Data, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-11-08.
How severe is CVE-2026-16427?: Medium severity. CVSS v3 base score is 6.5 out of 10.