What is CVE-2026-16177?

CVE-2026-16177 is a medium-severity vulnerability in IBM Datapower Gateway 10.5.0, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2026-10-08.

How severe is CVE-2026-16177?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Out-of-bounds Read in IBM Datapower Gateway 10.5.0

CVE-2026-16177

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 obtain sensitive information due to an out-of-bounds read.

Vulnerability class: Buffer Overflow

Published 2026-10-08 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

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)

CWE-125 — Out-of-bounds Read

References

www.ibm.com/support/pages/node/7289775 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-16177?: CVE-2026-16177 is a medium-severity vulnerability in IBM Datapower Gateway 10.5.0, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2026-10-08.
How severe is CVE-2026-16177?: Medium severity. CVSS v3 base score is 5.3 out of 10.