Skip to content
IBMCVE-2026-9176

IBM WebSphere Application Server: improper authentication

Medium6.7CVE-2026-9176 · Published Sep 10, 2026 · updated Sep 15, 2026

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to a security bypass due to improper authentication controls. A local attacker could exploit this vulnerability to escalate privileges and gain unauthorized access to protected resources.

IBM advisory

Affected versions

PackageAffectedFixed in
WebSphere Application Server
Product
<= 9.0No fix yet
<= 8.5No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-94

More IBM advisories

All IBM
Advisory
IBM DataStage on Cloud Pak for Data: denial of service
Critical9.6Sep 10
IBM DataStage on Cloud Pak for Data: information disclosure
Critical9.6Sep 10
IBM Langflow OSS: remote code execution
High8.8Sep 10
IBM Db2: path traversal
Medium4.3Sep 10
IBM Db2: code execution
High7.5Sep 10
IBM Db2: denial of service
High8.1Sep 10

Critical advisories by email

Wednesdays: the week’s critical and high advisories in the AI and data stack, with the fixed versions. Only in weeks that have some.

Double opt-in. Unsubscribe any time.