CVE-2026-14991
Critical
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 buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Ibm Datapower Gateway
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- ibm datapower_gateway10.5.0.23, 10.6.0.11, 11.0.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm datapower_gateway | 10.5.0.0 ≤ v < 10.5.0.23, 10.6.0.0 ≤ v < 10.6.0.11, 10.6.1.0 ≤ v < 11.0.0.3, 11.0.0.0 ≤ v < 11.0.0.3 | 10.5.0.23, 10.6.0.11, 11.0.0.3 |
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