Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-80434
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 C N N L 5.0 .0031 21.8 —
AFFECTED
Product Versions Fixed
DataStage on Cloud Pak for Data 5.4.0.0 – —
TIMELINE
Aug 26 Reserved by ibm
Sep 10 Published (CNA: ibm)
Sep 16 RESCORED — CVE-2026-80434 (IBM DataStage on Cloud Pak for Data). CVSS 7.4 → 5 (NVD).
Description
IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to manipulate runtime caches and cause a denial of service due to an insecure direct object reference.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 26, 2026 | Reserved | Reserved by ibm |
| September 10, 2026 | Published | Published (CNA: ibm) |
| September 16, 2026 | RESCORED | RESCORED — CVE-2026-80434 (IBM DataStage on Cloud Pak for Data). CVSS 7.4 → 5 (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-2026-80434 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 Sunday, October 4, 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.
