Vulnerability · Published Oct 8, 2026 · Assigned by ibm
CVE-2026-14509IBM DataPower Gateway Denial of Service
Medium 5.9
In plain English
A medium-severity uncontrolled resource consumption in DataPower Gateway 10.5.0 from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.3%top 81.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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 algorithmic complexity in linked-list traversal.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | DataPower Gateway 10.6CD | 10.6.1 – through 10.6.6 |
| IBM | DataPower Gateway 10.6.0 | 10.6.0.0 – through 10.6.0.10 |
| IBM | DataPower Gateway 11.0.0 | 11.0.0.0 – through 11.0.0.2 |
| IBM | DataPower Gateway 10.5.0 | 10.5.0.0 – through 10.5.0.22 |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://www.ibm.com/support/pages/node/7289775 vendor-advisory, patch