Vulnerability in IBM API Connect

CVE-2026-17085

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 bypass security restrictions due to improper handling of case sensitivity. An access restriction is not applied consistently to all variations of the input, which could allow it to be circumvented and unauthorized emails to be sent.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/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-2026-17085?
CVE-2026-17085 is a medium-severity vulnerability in IBM API Connect, classified under Improper Handling of Case Sensitivity. CVSS score: 4.1/10. Published 2026-11-07.
How severe is CVE-2026-17085?
Medium severity. CVSS v3 base score is 4.1 out of 10.