# CVE-2026-80423 — IBM DataStage on Cloud Pak for Data

> As of 2026-09-24, CVE-2026-80423 is a HIGH-severity vulnerability in IBM DataStage on Cloud Pak for Data, CVSS v3.1 8.8, EPSS 0.3% (23.3th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-80423 as of 2026-09-24; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-24

## What is 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.

The record classifies CVE-2026-80423 under weakness class [CWE-200](https://intel.threadlinqs.com/cwe/CWE-200). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 12 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.8 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.3% probability of exploitation in the next 30 days, higher than 23.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-23, last modified 2026-09-24

## Is CVE-2026-80423 being exploited?

It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [IBM](https://intel.threadlinqs.com/vendors/ibm): DataStage on Cloud Pak for Data

## How to fix CVE-2026-80423

No vendor patch reference has been recorded for CVE-2026-80423 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-80423

No threat campaign in the Threadlinqs corpus currently references CVE-2026-80423, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-09-25.

**Vendor advisory and patch**

- [ibm.com — vendor advisory](https://www.ibm.com/support/pages/node/7288649)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-80423
Full detection coverage and IOCs for threats exploiting CVE-2026-80423 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp
