ibm i CVE-2026-18251 is a vulnerability in IBM I
Published on September 14, 2026

IBM i is Affected By Multiple Vulnerabilities in Navigator for i and Digital Certificate Manager for i.
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information due to improper validation of the WebSocket origin.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-18251 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

CWE-1385

Products Associated with CVE-2026-18251

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Affected Versions

IBM i: