Vulnerability in IBM API Connect
CVE-2026-17211
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to cause a denial of service due to incorrect type conversion. A value is converted incorrectly between two different types, which could cause the service to return invalid responses or become unavailable.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (39.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/7295635 (vendor-advisory, patch)
- www.ibm.com/support/pages/node/7295637 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-17211?
- CVE-2026-17211 is a medium-severity vulnerability in IBM API Connect, classified under Incorrect Type Conversion or Cast. CVSS score: 4.3/10. Published 2026-11-07.
- How severe is CVE-2026-17211?
- Medium severity. CVSS v3 base score is 4.3 out of 10.