Auth bypass in IBM API Connect

CVE-2026-17405

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 obtain sensitive information due to broken object-level authorization. Access checks on keystore objects do not confirm that the requesting user is permitted to read them, which could expose keystore information.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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-2026-17405?
CVE-2026-17405 is a high-severity vulnerability in IBM API Connect, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-11-07.
How severe is CVE-2026-17405?
High severity. CVSS v3 base score is 8.8 out of 10.