Resource exhaustion in IBM Datapower Gateway 10.5.0

CVE-2026-14509

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.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14509?
CVE-2026-14509 is a medium-severity vulnerability in IBM Datapower Gateway 10.5.0, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2026-10-08.
How severe is CVE-2026-14509?
Medium severity. CVSS v3 base score is 5.9 out of 10.