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Websphere Application Server EUVDEUVD-2026-77806

| CVE-2026-16187 MEDIUM
Missing Authorization (CWE-862)
2026-09-14 ibm GHSA-9p67-pgjv-xprg
Authentication Bypass IBM Websphere Application Server
6.5
CVSS 3.1 · Vendor: ibm
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Severity by source

Vendor (ibm) PRIMARY
6.5 MEDIUM
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from Vendor (ibm) · only source for this CVE.

CVSS VectorVendor: ibm

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
Analysis Generated
Sep 15, 2026 - 10:44 vuln.today

DescriptionCVE.org

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.

AnalysisAI

Authentication bypass in IBM WebSphere Application Server 8.5 and 9.0 allows an unauthenticated attacker positioned on an adjacent network segment to reach request-handling functionality that performs no authorization check (CWE-862) and read sensitive information from the response. IBM has released a vendor patch, and there is no public exploit code or CISA KEV entry associated with this issue at time of analysis, so exploitation is not confirmed actively exploited. …

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EUVD-2026-77806 vulnerability details – vuln.today
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