Deserialization in IBM App Connect Enterprise

CVE-2026-17416

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.0, and 12.0.1.0 through 12.0.12.27 could allow a local attacker to execute arbitrary code due to insecure deserialization.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-17416: held from 0.001 to 0.004.

EPSS over last 30 days · oldest: 0.001 · newest: 0.004 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-17416?
CVE-2026-17416 is a high-severity vulnerability in IBM App Connect Enterprise, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-09-14.
How severe is CVE-2026-17416?
High severity. CVSS v3 base score is 7.8 out of 10.