CVE-2026-14269 IBM DataPower Gateway Buffer Overflow

Critical 9.8 Published Updated

An unauthenticated remote attacker can execute arbitrary code on IBM DataPower Gateway via a heap-based buffer overflow.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-14269?

CVE-2026-14269 is a critical memory corruption vulnerability in Ibm Datapower Gateway, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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 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.

Weakness: CWE-122

Which versions are affected by CVE-2026-14269?

It affects 1 product.

Products include Ibm Datapower Gateway.

How do I fix CVE-2026-14269?

No fix has been published for CVE-2026-14269 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-14269 being exploited?

There is no known exploitation of CVE-2026-14269 in the wild and no public exploit code.

All Ibm Datapower Gateway vulnerabilities

Sources

Also known as GHSA-7g2p-8chg-fgjv.

Is CVE-2026-14269 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free