CVE-2026-14496 IBM CVE debrief

Who should care

System administrators and security teams responsible for IBM DataPower Gateway deployments should assess exposure and take action to prevent potential denial-of-service attacks.

Why it matters

IBM DataPower Gateway is vulnerable to an out-of-bounds read attack, which could allow a remote attacker to cause a denial of service. Defenders should prioritize patching or mitigating this vulnerability to prevent potential denial-of-service attacks. System administrators and security teams responsible for IBM DataPower Gateway deployments should assess exposure and take action.

• Denial-of-service attacks could disrupt critical system operations.
• Successful exploitation requires network access and could be used by attackers to impact system availability.
• Defenders should verify affected versions and prioritize patching or mitigation to prevent potential attacks.
• Additional information on exploitation or impact is not available, and further verification is required.

Technical summary

The vulnerability is caused by a heap-based buffer overflow in IBM DataPower Gateway, which could allow a remote attacker to cause a denial of service. 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

Defenders should prioritize patching or mitigating this vulnerability to prevent potential denial-of-service attacks. System administrators and security teams responsible for IBM DataPower Gateway deployments should assess exposure and take action.

Recommended defensive actions

• Patch or upgrade affected IBM DataPower Gateway versions to the latest fixed version.
• Implement network segmentation and access controls to limit exposure.
• Monitor system logs for potential denial-of-service attacks.

Evidence notes

The CVE record and source item provide details on the vulnerability, including affected versions and a brief description of the issue. However, additional information on exploitation or impact is not available.

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.