---
id: CVE-2026-81549
title: >-
  IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated
  attacker to obtain sensitive information due to improper validation of the
  X-Forwarded-Proto header.
summary: >-
  IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated
  attacker to obtain sensitive information due to improper validation of the
  X-Forwarded-Proto header.
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N'
cwe:
  - CWE-918
vendor: IBM
product: DataStage on Cloud Pak for Data
affected:
  - datastage_on_cloud_pak_for_data 5.4.0.0
published: '2026-09-24'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T19:41:16.513'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81549'
references:
  - url: 'https://www.ibm.com/support/pages/node/7288649'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-24T15:20:22.120549Z'
ingestedAt: '2026-09-24T15:45:56.647Z'
epss: 0.00263
epssPercentile: 0.1616
---

## Overview

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to obtain sensitive information due to improper validation of the X-Forwarded-Proto header.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.