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Not in CISA KEV
HIGH severity

CVE-2026-16176 — Datapower Gateway 106cd

HIGH

CVE-2026-16176 is a high-severity (CVSS 7.5) CWE-770 vulnerability in ibm datapower gateway 106cd. No vendor fix is recorded yet; mitigation options are listed below.

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 could allow a remote attacker to cause a denial of…

Published
Updated
Affected
4 products
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-16176.

Description

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 could allow a remote attacker to cause a denial of service due to improper validation of the length field during memory reallocation.

Affected Products

4 products · 8 configurations
Application
datapower gateway 106cdibm
2 versions
10.6.110.6.6
Application
datapower gateway 1050ibm
2 versions
10.5.0.010.5.0.22
Application
datapower gateway 1060ibm
2 versions
10.6.0.010.6.0.10
Application
datapower gateway 1100ibm
2 versions
11.0.0.011.0.0.2

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every ibm datapower gateway 106cd deployment and check each version against the affected-products list above.

  2. Remediation status

    No patch has shipped for CVE-2026-16176 yet — track the ibm datapower gateway 106cd advisory for a fixed release and apply the workarounds below in the meantime.

  3. Mitigate without a patch

    Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

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 could allow a remote attacker to cause a denial of service due to improper validation of the length field during memory reallocation.
O3 Security · Runtime Protection

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Detect and block the exploit chain at execution, on systems you cannot patch yet.

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