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CVE-2026-16163 IBM CVE debrief

IBM DataPower Gateway is vulnerable to an out-of-bounds write attack, which could allow a remote attacker to cause memory corruption. The 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. This vulnerability exists due to an out-of-bounds write, potentially leading to system instability or exploitation. Defenders should assess their exposure, especially for systems exposed to the internet or untrusted networks, and prioritize patching or mitigation. The CVE record and source item provide details on the vulnerability, but additional information from IBM's official advisory is necessary for a more in

Vendor
IBM
Product
DataPower Gateway 10.6CD
CVSS
HIGH 8.6
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

Defenders responsible for IBM DataPower Gateway systems, especially those exposed to the internet or untrusted networks, should assess their exposure and prioritize patching or mitigation.

Why it matters

Defenders should care about this vulnerability because it could allow a remote attacker to cause memory corruption in IBM DataPower Gateway systems, potentially leading to system instability or exploitation. Those responsible for systems exposed to the internet or untrusted networks should assess their exposure and prioritize patching or mitigation.

  • Potential memory corruption and system instability
  • Possible remote code execution or denial of service
  • Need for patching or upgrading to a non-affected version
  • Importance of monitoring for suspicious activity

Technical summary

The vulnerability exists in IBM DataPower Gateway due to an out-of-bounds write, which could allow a remote attacker to cause memory corruption. 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, especially for systems exposed to the internet or untrusted networks.

Recommended defensive actions

  • Patch or upgrade to a non-affected version of IBM DataPower Gateway
  • Implement network restrictions to limit exposure
  • Monitor for suspicious activity
  • Review and update incident response plans

Evidence notes

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

Sources and references

Verified primary and authoritative sources

  • CVE-2026-16163 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16163

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

  • CVE-2026-16163 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16163

    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-2026-16163.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.