CVE-2026-14888 IBM CVE debrief

Who should care

Defenders responsible for IBM DataPower Gateway deployments should assess exposure and prioritize patching. This includes administrators, security teams, and IT personnel managing 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.

Why it matters

The IBM DataPower Gateway Buffer Overflow vulnerability (CVE-2026-14888) poses a significant risk to DataPower Gateway deployments, with potential consequences including remote code execution, data exposure, and disruption of critical business operations. Defenders must prioritize patching, vulnerability scanning, and risk assessment to mitigate these risks.

• Potential remote code execution requires immediate patching and verification
• Exposure of sensitive data and disruption of critical business operations are possible consequences
• Defenders must prioritize vulnerability scanning and risk assessment for DataPower Gateway deployments
• Compensating controls, such as network segmentation and access restrictions, may be necessary

Technical summary

The IBM DataPower Gateway Buffer Overflow vulnerability (CVE-2026-14888) occurs due to a heap-based buffer overflow, potentially allowing remote attackers to execute arbitrary code. Affected versions include 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.

Defensive priority

High

Recommended defensive actions

• Review and apply patches from IBM for affected DataPower Gateway versions
• Conduct vulnerability scanning and risk assessment for DataPower Gateway deployments
• Implement compensating controls, such as network segmentation and access restrictions

Evidence notes

The CVE record and source item provide details on the vulnerability, affected versions, and potential impact. However, there is limited information on exploitation, victims, or specific defensive consequences.

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.