CVE-2026-16176 IBM DataPower Gateway Denial of Service
A remote attacker can cause a denial of service in IBM DataPower Gateway due to improper validation of the length field during memory reallocation.
- 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-2026-16176?
CVE-2026-16176 is a high-severity denial of service 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 could allow a remote attacker to cause a denial of service due to improper validation of the length field during memory reallocation.
Weakness: CWE-770
Which versions are affected by CVE-2026-16176?
It affects 1 product.
Products include Ibm Datapower Gateway.
How do I fix CVE-2026-16176?
No fix has been published for CVE-2026-16176 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-16176 being exploited?
There is no known exploitation of CVE-2026-16176 in the wild and no public exploit code.
Other vulnerabilities in Ibm Datapower Gateway
Sources
Also known as GHSA-645j-3fmg-jcf5.