IBM i 7.67.3 Auth Bypass via ServiceName Matching
CVE-2026-16892 Published on September 4, 2026

IBM i is Affected By An Improper Authentication Vulnerability in Network Authentication Service []
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to improper authentication during service-name matching.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-16892 is exploitable with network access, and requires small amount of user privileges. 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 and integrity, and no impact on availability.

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

Weakness Type

What is an authentification Vulnerability?

When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.

CVE-2026-16892 has been classified to as an authentification vulnerability or weakness.


Products Associated with CVE-2026-16892

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Affected Versions

IBM i: