What is CVE-2026-16180?

CVE-2026-16180 is a medium-severity vulnerability, classified under Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion). CVSS score: 5.7/10. Published 2026-09-04.

How severe is CVE-2026-16180?

Medium severity. CVSS v3 base score is 5.7 out of 10.

CVE-2026-16180

CVE-2026-16180

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 Toolkit could allow an authenticated user to cause a denial-of-service condition due to improper validation of XML entities.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

CWE-776 — Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion)

References

psirt@us.ibm.com

Frequently asked questions

What is CVE-2026-16180?: CVE-2026-16180 is a medium-severity vulnerability, classified under Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion). CVSS score: 5.7/10. Published 2026-09-04.
How severe is CVE-2026-16180?: Medium severity. CVSS v3 base score is 5.7 out of 10.