CVE-2026-14905 IBM CVE debrief

Who should care

Defenders responsible for IBM DataPower Gateway deployments should assess exposure and prioritize patching affected versions to prevent potential XXE attacks. This includes operators, security teams, and vulnerability management teams who need to review and update XML processing configurations, monitor for suspicious activity, and review compensating controls for exposed systems.

Why it matters

Defenders should prioritize patching affected IBM DataPower Gateway versions to prevent potential XXE attacks, which could lead to exposure of sensitive information or consumption of memory resources.

• Potential exposure of sensitive information
• Consumption of memory resources
• Need for patching affected versions
• Verification of XML processing configurations

Technical summary

IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. The vulnerability allows a remote attacker to exploit the system and expose sensitive information or consume memory resources. Defenders should assess exposure and prioritize patching affected versions to prevent potential XXE attacks. The vulnerability is caused by the lack of proper validation of XML data, which allows an attacker to inject malicious XML entities.

Defensive priority

Defenders should prioritize patching affected IBM DataPower Gateway versions to prevent potential XXE attacks.

Recommended defensive actions

• Patch affected IBM DataPower Gateway versions
• Review and update XML processing configurations
• Monitor for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the XXE vulnerability in IBM DataPower Gateway, including affected versions and potential impacts. The vulnerability allows a remote attacker to exploit the system and expose sensitive information or consume memory resources. Evidence is limited to the provided CVE record and source item, and defenders should verify the vulnerability and its impacts through official vendor advisories and additional sources.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.