CVE-2026-15784 IBM CVE debrief

Who should care

DataPower Gateway administrators and security teams should assess exposure and prioritize patching due to the high CVSS score and potential for remote code execution. Affected versions must be identified and patched to prevent exploitation. Security teams should review system configurations and inventory for exposure and monitor for suspicious activity.

Why it matters

This vulnerability requires immediate attention from DataPower Gateway administrators and security teams due to its high CVSS score and potential for remote code execution. Affected versions must be identified and patched to prevent exploitation.

• Potential remote code execution
• High CVSS score indicating significant vulnerability
• Vendor advisory and patch availability

Technical summary

IBM DataPower Gateway versions 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 are vulnerable to an out-of-bounds write, potentially allowing remote attackers to execute arbitrary code. The vulnerability has a high CVSS score of 8.1, indicating significant vulnerability. Administrators should prioritize patching to prevent exploitation.

Defensive priority

High priority for DataPower Gateway administrators

Recommended defensive actions

• Review and apply IBM patches for affected DataPower Gateway versions
• Verify system configurations and inventory for exposure
• Monitor for suspicious activity

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or impact. Defenders should verify affected scope, severity, and vendor guidance. The CVE record was published on 2026-10-08T13:32:55.521Z and has not been modified since then. There is no information on known or unknown affected scope beyond the listed versions. Administrators should review compensating controls for exposed systems while remediation is scheduled.

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.