CVE-2026-16180: ibm app_connect_enterprise XML Entity Expansion
CVSS: 5.7v3.1MediumAnalyzed
Published 04-09-2026Last modified 04-09-2026
Vulnerability summary
CVE-2026-16180 is a medium (CVSS 5.7) XML Entity Expansion vulnerability in ibm app_connect_enterprise. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.2% of scored vulnerabilities.
CVSS score
5.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 04-09-2026PublishedVulnerability first disclosed.
- 04-09-2026Last modifiedVulnerability information updated.
Description
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 metrics
2 scores · 2 sources · 1 versionMedium 5.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST5.7MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 19-09-2026
19-09-202619-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm2 products
- app_connect_enterprise≥ 13.0.1.0, ≤ 13.0.8.1 | ≥ 12.0.1.0, ≤ 12.0.12.28 | ≥ 12.0.1.0, < 12.0.12.29 | ≥ 13.0.1.0, < 13.0.8.2
- integration_bus_for_z\/os≥ 10.1.0.0, ≤ 10.1.0.7
1 vendor · 2 products