CVE-2026-81536Network attack vector

Sensitive information disclosure via XXE injection

Published Sep 23, 2026 · Updated Sep 23, 2026

XXE injection in IBM DataStage on Cloud Pak for Data 5.4.0.0 allows remote authenticated users to obtain sensitive information. IBM has not disclosed the affected XML-processing component or the operation that permits external entity resolution. Exploitation requires valid product access and exposes data reachable by the server-side XML processor without reported write or service impact.

CVSS severity7.7
High
EPSS probability0.28%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XXE injection in IBM DataStage on Cloud Pak for Data 5.4.0.0 allows remote authenticated users to obtain sensitive information. IBM has not disclosed the affected XML-processing component or the operation that permits external entity resolution. Exploitation requires valid product access and exposes data reachable by the server-side XML processor without reported write or service impact.

The record

CVE
CVE-2026-81536
Published
Sep 23, 2026
Updated
Sep 23, 2026
Vendor
IBM
Product
IBM DataStage on Cloud Pak for Data
Classifications
Unavailable
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.4.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM DataStage on Cloud Pak for Dataversion=5.4.0.0

Published CVSS scores

7.7IBMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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