CVE-2026-18838

CriticalCVSS 9.4/10Last modified Nov 12, 2026

Description

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user.

Metrics

CVSS 3.1 9.4/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Weakness enumeration

CWE-290

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
IBM	API Connect	>= 12.1.0.0, <= 12.1.1.2

References

https://www.ibm.com/support/pages/node/7295635

Timeline

Published: Nov 7, 2026
Last modified: Nov 12, 2026
NVD status: Undergoing Analysis

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