Vulnerability · Published Nov 7, 2026 · Assigned by ibm
CVE-2026-18689Multiple Vulnerabilities in IBM API Connect
Medium 4.3
In plain English
A medium-severity incorrect authorization in API Connect from IBM. There are no confirmed reports of exploitation so far.
Severity (CVSS 3.1)4.3Medium
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 an authenticated user to obtain limited information about other organizations due to incorrect authorization. A token issued for a limited purpose is accepted where it should not be, which could reveal the names of other organizations.
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-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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