XSS in IBM App Connect Enterprise

CVE-2026-18196

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.2, and 12.0.1.0 through 12.0.12.30 could allow a remote attacker to inject arbitrary HTML due to improper output neutralization.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/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)

References

Frequently asked questions

What is CVE-2026-18196?
CVE-2026-18196 is a medium-severity vulnerability in IBM App Connect Enterprise, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-11-08.
How severe is CVE-2026-18196?
Medium severity. CVSS v3 base score is 5.4 out of 10.