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CVE-2026-16164 IBM CVE debrief

IBM DataPower Gateway is vulnerable to an out-of-bounds write attack, which could allow a remote attacker to cause a denial of service. The vulnerability affects multiple versions of IBM DataPower Gateway, including 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. This issue is caused by a buffer overflow, and 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 to verify affected versions and apply patches or mitigations. The CVE

Vendor
IBM
Product
DataPower Gateway 10.6CD
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-08
Original CVE updated
2026-10-08
Advisory published
2026-10-08
Advisory updated
2026-10-08

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

Defenders should prioritize patching or mitigating this vulnerability to prevent potential denial-of-service attacks against IBM DataPower Gateway deployments. System administrators and security teams should assess exposure and take action to verify affected versions and apply patches or mitigations.

  • Potential denial-of-service attacks against IBM DataPower Gateway deployments.
  • Need to verify affected versions and apply patches or mitigations.
  • Possible impact on system availability and reliability.

Technical summary

The vulnerability is caused by a 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

Verified primary and authoritative sources

  • CVE-2026-16164 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16164

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-16164 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16164

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • IBM DataPower Gateway Out-of-bounds Write

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/16xxx/CVE-2026-16164.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://www.ibm.com/support/pages/node/7289775

    Supplemental source - vendor-advisory, patch

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.