CVE-2026-16163 IBM DataPower Gateway - Buffer Overflow

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 contain a buffer overflow caused by an out-of-bounds write, letting remote attackers cause memory corruption, exploit requires network access.

CVSS base score 8.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Published
8 October 2026
Updated
15 October 2026
Weakness
CWE-787

Vendor fix

Update to the latest available version beyond 11.0.0.2.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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