CVE-2026-18838 Multiple Vulnerabilities in IBM API Connect

CriticalCVSS 9.4

Published: 2026-11-07 06:34
Updated: 2026-11-07 06:34
Exploit status: No public exploit known

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.

Affected products

Product	Affected versions	Fixed in
ibm api connect	>= 12.1.0.0, <= 12.1.1.2	No fix listed

References

www.ibm.com patch vendor-advisory

CVSS v3.1

9.4 Critical

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

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: Low

Weakness & likelihood

EPSS (exploitation probability, 30 days): Not available
CWE: CWE-290 Authentication Bypass by Spoofing

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.