Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-16338
IBM DataStage on Cloud Pak for Data — DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N U H H H 8.8 .0044 36.2 —
AFFECTED
Product Versions Fixed
DataStage on Cloud Pak for Data 5.4.0.0 – —
TIMELINE
Jul 20 Reserved by ibm
Sep 14 Published (CNA: ibm)
Oct 6 RESCORED — CVE-2026-16338 (IBM DataStage on Cloud Pak for Data). CVSS 9.9 → 8.8 (NVD).
Description
IBM DataStage on Cloud Pak for Data 5.4.0.0 IBM DataStage could allow a remote authenticated attacker to perform an arbitrary file write due to improper validation of file paths.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| July 20, 2026 | Reserved | Reserved by ibm |
| September 14, 2026 | Published | Published (CNA: ibm) |
| October 6, 2026 | RESCORED | RESCORED — CVE-2026-16338 (IBM DataStage on Cloud Pak for Data). CVSS 9.9 → 8.8 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| IBM | DataStage on Cloud Pak for Data | — | 5.4.0.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16338 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Thursday, October 8, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.