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CVE-2026-16178 IBM CVE debrief

IBM DataPower Gateway Out-of-bounds Write vulnerability allows remote attackers to cause denial of service due to improper input validation. Defenders should assess exposure and prioritize patching affected versions across IBM DataPower Gateway 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. The vulnerability could allow a remote attacker to cause a denial of service, and defenders should prioritize patching affected versions.

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

Defenders responsible for IBM DataPower Gateway deployments, security teams, and operators should assess exposure and prioritize patching. This includes teams managing IBM DataPower Gateway 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. They should verify affected versions and apply patches from IBM to prevent potential denial of service attacks.

Why it matters

Defenders should care about this vulnerability because it could allow a remote attacker to cause a denial of service, and they should prioritize patching affected versions.

  • Denial of service is possible if exploited
  • Verify affected versions and apply patches

Technical summary

IBM DataPower Gateway is vulnerable to an out-of-bounds write attack due to improper input validation. This could allow a remote attacker to cause a denial of service. Affected versions include IBM DataPower Gateway 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. Defenders should review and apply patches from IBM.

Defensive priority

High

Recommended defensive actions

  • Review and apply patches from IBM
  • Verify affected versions and upgrade if necessary
  • Monitor for suspicious activity

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or impact. Defenders should verify affected versions and apply patches from IBM. The CVE was published on 2026-10-08T13:10:41.826Z and has not been modified since then. Evidence limits suggest verifying IBM DataPower Gateway deployments and assessing exposure.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-16178 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16178

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

  • CVE-2026-16178 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16178

    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-2026-16178.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.