CVE-2026-16432: IBM DataStage on Cloud Pak for Data 5.4.0.0 IBM DataStage PxXMLInput operator could allow a remote authenticat

Routine

HIGH 7.7DOWNGRADE

CVE-2026-16432 is a high-severity flaw (CVSS 7.7) affecting datastage on cloud pak for data. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM DataStage on Cloud Pak for Data 5.4.0.0 IBM DataStage PxXMLInput operator could allow a remote authenticated attacker to obtain sensitive information due to an XML external entity (XXE) injection.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.7 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-611
Published	2026-09-14
Last modified	2026-10-06

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-10-06 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-14 20:16 UTCPublished CVE record published
2026-10-06 15:34 UTCUpdated Record last modified

ibm datastage on cloud pak for data DOWNGRADE

Affected: 5.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.4.0

1. Check installed version

apt-cache policy datastage-on-cloud-pak-for-data || rpm -q datastage-on-cloud-pak-for-data || datastage-on-cloud-pak-for-data --version

2. No fixed release: DOWNGRADE to a release before 5.4.0 (Debian / Ubuntu)

apt-cache madison datastage-on-cloud-pak-for-data sudo apt install datastage-on-cloud-pak-for-data=<VERSION_BEFORE_5.4.0> sudo apt-mark hold datastage-on-cloud-pak-for-data

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list datastage-on-cloud-pak-for-data sudo dnf downgrade datastage-on-cloud-pak-for-data-<VERSION_BEFORE_5.4.0> sudo dnf versionlock add datastage-on-cloud-pak-for-data

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-16432?

datastage on cloud pak for data: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-16432 being exploited?

CVE-2026-16432 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-16432 affect?

CVE-2026-16432 affects datastage on cloud pak for data. Severity is high (CVSS 7.7). IBM DataStage on Cloud Pak for Data 5.4.0.0 IBM DataStage PxXMLInput operator could allow a remote authenticated attacker to obtain sensitive information due to an XML external entity (XXE) injection.

How urgent is CVE-2026-16432?

Priority 34/100. High severity

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CVE-2026-82108 HIGH 8.8 DOWNGRADE IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to execute arbitrary c
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References

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