CVE-2026-16182 IBM CVE debrief

Who should care

DataPower Gateway administrators, security teams, and IT personnel responsible for maintaining and securing IBM DataPower Gateway installations should assess exposure and prioritize remediation.

Why it matters

CVE-2026-16182 is a medium-severity vulnerability in IBM DataPower Gateway that could allow an attacker to cause a denial of service. DataPower Gateway administrators and security teams should assess exposure, prioritize remediation, and implement compensating controls. The vulnerability requires authentication and its exploitation could disrupt critical business operations.

• Denial of service (DoS) could disrupt critical business operations relying on DataPower Gateway
• Successful exploitation requires authentication and could be used in conjunction with other attacks
• Remediation priority is medium due to the potential for service disruption and the availability of patches
• Further verification of affected versions and comprehensive testing post-patch application are necessary

Technical summary

The vulnerability exists in 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. An attacker could exploit this vulnerability by sending a crafted request that causes a NULL pointer dereference in GraphQL variable processing, leading to a denial of service.

Defensive priority

Medium priority for DataPower Gateway administrators and security teams

Recommended defensive actions

• Review and apply IBM's official patch for the affected DataPower Gateway versions
• Conduct thorough inventory checks for affected 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
• Implement compensating controls such as enhanced monitoring and exception tracking for GraphQL variable processing

Evidence notes

The CVE record and source item provide details on the vulnerability, but additional information from IBM's official advisory is needed for comprehensive assessment.

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.