What is CVE-2016-9706?

CVE-2016-9706 is a critical-severity vulnerability in IBM Integration Bus, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2017-02-15.

How severe is CVE-2016-9706?

Critical severity. CVSS v3 base score is 9.1 out of 10.

XXE in IBM Integration Bus

CVE-2016-9706

IBM Integration Bus 9.0 and 10.0 and WebSphere Message Broker SOAP FLOWS is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error when processing XML data. A remote attacker could exploit this vulnerability to expose highly sensitive information or consume all available memory resources. IBM Reference #: 1997918.

Vulnerability class: XXE (XML External Entity)

Published 2017-02-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

IBM Integration Bus — versions 9.0, 10.0
IBM Websphere Message Broker — versions 8.0
IBM Corporation Integration Bus — versions 10, 9.0.0.0, 9.0

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

www.securityfocus.com/bid/96274 (vdb-entry)
www.ibm.com/support/docview.wss (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-9706?: CVE-2016-9706 is a critical-severity vulnerability in IBM Integration Bus, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2017-02-15.
How severe is CVE-2016-9706?: Critical severity. CVSS v3 base score is 9.1 out of 10.