CVE-2026-16187: CWE-862 Missing Authorization in IBM WebSphere Application Server
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication and obtain sensitive information by sending a crafted unauthenticated request.
AI Analysis
Technical Summary
CVE-2026-16187 is a missing authorization vulnerability in IBM WebSphere Application Server versions 8.5 and 9.0. This flaw allows a remote attacker to bypass authentication controls by sending specially crafted unauthenticated requests, potentially gaining access to sensitive information. The vulnerability is identified as CWE-862 and has a CVSS 3.1 score of 6.5, reflecting a medium severity impact primarily on confidentiality. No information about patches or vendor advisories is currently available.
Potential Impact
An attacker can bypass authentication mechanisms remotely without privileges or user interaction, leading to unauthorized disclosure of sensitive information. The integrity and availability of the system are not affected according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected WebSphere Application Server instances and monitor for unusual unauthenticated requests.
CVE-2026-16187: CWE-862 Missing Authorization in IBM WebSphere Application Server
Description
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication and obtain sensitive information by sending a crafted unauthenticated request.
CVSS v3.1
Score 6.5medium
Affected software
IBM
WebSphere Application Server
cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16187 is a missing authorization vulnerability in IBM WebSphere Application Server versions 8.5 and 9.0. This flaw allows a remote attacker to bypass authentication controls by sending specially crafted unauthenticated requests, potentially gaining access to sensitive information. The vulnerability is identified as CWE-862 and has a CVSS 3.1 score of 6.5, reflecting a medium severity impact primarily on confidentiality. No information about patches or vendor advisories is currently available.
Potential Impact
An attacker can bypass authentication mechanisms remotely without privileges or user interaction, leading to unauthorized disclosure of sensitive information. The integrity and availability of the system are not affected according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected WebSphere Application Server instances and monitor for unusual unauthenticated requests.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-18T01:48:44.413Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa852d455bf5e2cf5892f88
Added to database: 09/14/2026, 20:02:28 UTC
Last enriched: 09/14/2026, 20:18:14 UTC
Last updated: 09/15/2026, 07:01:22 UTC
Views: 7
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