CVE-2026-16189 is a vulnerability in IBM WebSphere Application Server
Published on September 14, 2026
IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to inject forged log entries into the server's administrative log.
Vulnerability Analysis
CVE-2026-16189 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of 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.
Weakness Type
Improper Output Neutralization for Logs
The software does not neutralize or incorrectly neutralizes output that is written to logs.
Products Associated with CVE-2026-16189
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Affected Versions
IBM WebSphere Application Server:- Version 9.0 is affected.
- Version 8.5 is affected.