IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication and obtain sensitive information by sending a… (CVE-2026-16187)
IBM WebSphere Application Server versions 9.0 and 8.5 contain a vulnerability that allows a remote attacker to bypass authentication and access sensitive information by sending a crafted unauthenticated request. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity. There is no information about available patches or vendor advisories confirming remediation status.
AI Analysis
Technical Summary
CVE-2026-16187 affects IBM WebSphere Application Server versions 9.0 and 8.5. The vulnerability enables a remote attacker to bypass authentication mechanisms and obtain sensitive information by sending a specially crafted unauthenticated request. The CVSS 3.1 vector indicates the attack requires adjacent network access with low attack complexity, no privileges, and no user interaction, impacting confidentiality but not integrity or availability.
Potential Impact
An attacker with adjacent network access can bypass authentication controls and gain access to sensitive information on affected IBM WebSphere Application Server instances. This could lead to unauthorized disclosure of confidential data. There is no indication of impact on system integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor IBM's security advisories for updates. Until a fix is available, consider restricting network access to trusted hosts and applying compensating controls to limit exposure.
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication and obtain sensitive information by sending a… (CVE-2026-16187)
Description
IBM WebSphere Application Server versions 9.0 and 8.5 contain a vulnerability that allows a remote attacker to bypass authentication and access sensitive information by sending a crafted unauthenticated request. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity. There is no information about available patches or vendor advisories confirming remediation status.
CVSS v3.1
Score 6.5medium
Affected software
pkg:maven/com.ibm.websphere/websphere-application-serverRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16187 affects IBM WebSphere Application Server versions 9.0 and 8.5. The vulnerability enables a remote attacker to bypass authentication mechanisms and obtain sensitive information by sending a specially crafted unauthenticated request. The CVSS 3.1 vector indicates the attack requires adjacent network access with low attack complexity, no privileges, and no user interaction, impacting confidentiality but not integrity or availability.
Potential Impact
An attacker with adjacent network access can bypass authentication controls and gain access to sensitive information on affected IBM WebSphere Application Server instances. This could lead to unauthorized disclosure of confidential data. There is no indication of impact on system integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor IBM's security advisories for updates. Until a fix is available, consider restricting network access to trusted hosts and applying compensating controls to limit exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-9p67-pgjv-xprg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-16187"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa8a1c955bf5e2cf5f3e8f6
Added to database: 09/15/2026, 01:39:21 UTC
Last enriched: 09/15/2026, 02:00:07 UTC
Last updated: 09/15/2026, 08:01:22 UTC
Views: 3
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