Vulnerability · Published Nov 7, 2026 · Assigned by ibm
CVE-2026-17409Multiple Vulnerabilities in IBM API Connect
Critical 9.4
In plain English
A critical-severity security flaw in API Connect from IBM. There are no confirmed reports of exploitation so far.
Severity (CVSS 3.1)9.4Critical
Exploit odds (30 days)–no EPSS score yet
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 execute unauthorized administrative operations and obtain sensitive information due to improper handling of case sensitivity. Access controls are not applied consistently to all variations of a request, which could allow restricted operations to be reached.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | API Connect | 12.1.0.0 – through 12.1.1.210.0.8.0 – through 10.0.8.12 |
Weakness: CWE-178 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7295635 vendor-advisory, patch
- https://www.ibm.com/support/pages/node/7295637 vendor-advisory, patch