What is CVE-2026-17389?

CVE-2026-17389 is a medium-severity vulnerability in IBM API Connect, classified under LDAP Injection. CVSS score: 5.3/10. Published 2026-11-07.

How severe is CVE-2026-17389?

Medium severity. CVSS v3 base score is 5.3 out of 10.

LDAP Injection in IBM API Connect

CVE-2026-17389

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 attacker to obtain sensitive information from the connected LDAP directory due to LDAP injection. Input is not properly neutralized in directory lookups, which could cause queries to return additional data.

Published 2026-11-07 · last modified 2026-11-08.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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

IBM API Connect

Weakness classification (CWE)

CWE-90 — LDAP Injection

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-2026-17389?: CVE-2026-17389 is a medium-severity vulnerability in IBM API Connect, classified under LDAP Injection. CVSS score: 5.3/10. Published 2026-11-07.
How severe is CVE-2026-17389?: Medium severity. CVSS v3 base score is 5.3 out of 10.