Vulnerability · Published Nov 7, 2026 · Assigned by ibm
CVE-2026-17428Multiple Vulnerabilities in IBM API Connect
Medium 5.0
In plain English
A medium-severity authorization bypass via user-controlled key in API Connect from IBM. There are no confirmed reports of exploitation so far.
Severity (CVSS 3.1)5.0Medium
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 authenticated attacker to obtain sensitive information due to improper authorization. Values supplied in the request URL are used in authorization decisions without sufficient verification, which could allow access to information belonging to others.
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-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
References
- https://www.ibm.com/support/pages/node/7295635 vendor-advisory, patch
- https://www.ibm.com/support/pages/node/7295637 vendor-advisory, patch