CVE-2026-15781 IBM DataPower Gateway Buffer Overflow
A remote authenticated attacker can execute arbitrary code on IBM DataPower Gateway due to a buffer overflow vulnerability.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15781?
CVE-2026-15781 is a high-severity memory corruption vulnerability in Ibm Datapower Gateway, published on 8 Oct 2026. An attacker needs administrator access to exploit it, 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 authenticated attacker to execute arbitrary code due to a buffer overflow.
Weakness: CWE-121
Which versions are affected by CVE-2026-15781?
It affects 1 product.
Products include Ibm Datapower Gateway.
How do I fix CVE-2026-15781?
No fix has been published for CVE-2026-15781 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-2026-15781 being exploited?
There is no known exploitation of CVE-2026-15781 in the wild and no public exploit code.
Other vulnerabilities in Ibm Datapower Gateway
Sources
Also known as GHSA-585r-mg9j-hr65.