CVE-2026-16340

critical · 9.8

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 execute arbitrary code due to an out-of-bounds write in the RFC2047 encoded-word parser.

9.8

CVSS

0.5%

EPSS (exploit prob.)

42nd

EPSS percentile

2026-10-08

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-787

Affected products

Vendor	Product	Affected versions
ibm	datapower_gateway	>= 10.5.0.0, < 10.5.0.23
ibm	datapower_gateway	>= 10.6.0.0, < 10.6.0.11
ibm	datapower_gateway	>= 10.6.1.0, < 11.0.0.3
ibm	datapower_gateway	>= 11.0.0.0, < 11.0.0.3

Check a specific version with /api/v1/cve/match.

References

https://www.ibm.com/support/pages/node/7289775

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-16340