Remote Log Injection in IBM WebSphere Application Server
CVE-2026-16188

5.3MEDIUM

Key Information:

Vendor

IBM
Status
Websphere Application Server
Vendor
CVE Published:
14 September 2026

What is CVE-2026-16188?

A recent vulnerability in IBM WebSphere Application Server versions 9.0 and 8.5 enables remote attackers to inject forged log entries into the server's administrative log. This could potentially allow unauthorized access or manipulation of logged data, compromising the integrity of log files and the security of applications relying on these logs. Proper patching and regular security assessments are recommended to mitigate this risk. For further details, refer to the vendor advisory.

Affected Version(s)

WebSphere Application Server 9.0

WebSphere Application Server 8.5

References

https://www.ibm.com/support/pages/node/7286610
vendor-advisorypatch

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.