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Websphere Application Server CVE-2026-14512

| EUVDEUVD-2026-50062 CRITICAL
Deserialization of Untrusted Data (CWE-502)
2026-07-28 ibm GHSA-p6cg-6q97-cwjw
IBM Deserialization RCE Websphere Application Server
9.8
CVSS 3.1 · Vendor: ibm
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Severity by source

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

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

CVSS VectorVendor: ibm

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Jul 28, 2026 - 21:22 vuln.today
CVE Published
Jul 28, 2026 - 20:50 nvd
CRITICAL 9.8

DescriptionCVE.org

IBM WebSphere Application Server 9.0, and 8.5 traditional is vulnerable to pre-authentication unsafe deserialization which could allow a remote attacker to bypass authentication or execute arbitrary code.

AnalysisAI

Pre-authentication unsafe deserialization in IBM WebSphere Application Server 9.0 and 8.5 traditional allows remote unauthenticated attackers to execute arbitrary code or bypass authentication. CVSS 9.8 indicates critical severity with low attack complexity and no user interaction, though no public exploit code or active exploitation has been identified at time of analysis.

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CVE-2026-14512 vulnerability details – vuln.today
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