Information disclosure in IBM Datastage On Cloud Pak For Data

CVE-2026-80423

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to obtain sensitive information due to the exposure of namespace-wide secrets via accessible file mounts.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (24.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-80423: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-80423?
CVE-2026-80423 is a high-severity vulnerability in IBM Datastage On Cloud Pak For Data, classified under Information Disclosure. CVSS score: 8.8/10. Published 2026-09-23.
How severe is CVE-2026-80423?
High severity. CVSS v3 base score is 8.8 out of 10.