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9.8

IBM DataPower Gateway could let attackers run code

CVE-2026-14269 · published 3 days ago
Summary

Certain versions of IBM DataPower Gateway have a flaw that could let anyone on the network send specially crafted data and cause the system to run their own programs. This could give an attacker full control of the gateway. Install the latest IBM security updates for DataPower as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm datapower gateway 10.6cd <= 10.6.6
ibm datapower gateway 10.6.0 <= 10.6.0.10
ibm datapower gateway 11.0.0 <= 11.0.0.2
ibm datapower gateway 10.5.0 <= 10.5.0.22
Original advisory text
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 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. An unauthenticated remote attacker could overflow the buffer and execute arbitrary code on the system.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-122Heap-based Buffer Overflow
Timeline
Published8 Oct 2026
Updated10 Oct 2026
First seen8 Oct 2026
Sources
CVE-2026-14269 · NVD
CVE-2026-14269 · MITRE
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