Vulnerability in IBM API Connect
CVE-2026-19126
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% 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-2026-19126?
- CVE-2026-19126 is a medium-severity vulnerability in IBM API Connect, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 5.9/10. Published 2026-11-07.
- How severe is CVE-2026-19126?
- Medium severity. CVSS v3 base score is 5.9 out of 10.