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Exploited (KEV)11In CISA KEV
CVSS critical986CVSS 9.0–10.0
CVSS high2776CVSS 7.0–8.9

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503 records in Websphere Application Server · all components

Priority CRITICAL 100KEV

Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT infrastructure, and mobile and social products allow remote attackers to execute arbitrary commands via a crafted serialized Java o…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.97764 Published 2016-01-02 No fix listed CWE-502
Priority HIGH 82

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.79926 Published 2019-05-17 No fix listed CWE-502
Priority HIGH 67

IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.34733 Published 2020-06-05 No fix listed CWE-502
Priority MEDIUM 58

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.13306 Published 2025-06-25 No fix listed CWE-502
Priority MEDIUM 56

IBM WebSphere Application Server Network Deployment 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sour…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.12521 Published 2020-06-05 No fix listed CWE-502
Priority MEDIUM 55

The JMX Remoting functionality in Apache Geronimo 3.x before 3.0.1, as used in IBM WebSphere Application Server (WAS) Community Edition 3.0.0.3 and other products, does not properly implement the RMI classloader, which a…

CVSS 2.0HIGH 10.0 Network No auth Interaction — EPSS 0.09808 Published 2013-07-11 Fixed in 3.0.1 CWE-94
Priority MEDIUM 53

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.08465 Published 2020-08-13 No fix listed CWE-502
Priority MEDIUM 53

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to execute arbitrary code on a system with a specially-crafted sequence of serialized objects over the SOAP connector.

CVSS 3.1HIGH 8.8 Network Low privileges No interaction EPSS 0.13227 Published 2020-07-17 No fix listed CWE-502
Priority MEDIUM 53

IBM WebSphere Application Server (WAS) 6.1 through 6.1.0.47, 7.0 before 7.0.0.39, 8.0 before 8.0.0.11, and 8.5 before 8.5.5.6 allows remote attackers to execute arbitrary code by sending crafted instructions in a managem…

CVSS 2.0HIGH 10.0 Network No auth Interaction — EPSS 0.06836 Published 2015-05-20 No fix listed CWE-284
Priority MEDIUM 51

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.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.0097 Published 2026-07-28 No fix listed CWE-502
Priority MEDIUM 51

IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to remote code execution in the Web Server…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00931 Published 2026-05-26 No fix listed CWE-94
Priority MEDIUM 50

Unspecified vulnerability in the Administrative Configservice API in the System Management/Repository component in IBM WebSphere Application Server (WAS) 6.0.2 before 6.0.2.35, 6.1 before 6.1.0.25, and 7.0 before 7.0.0.5…

CVSS 2.0HIGH 10.0 Network No auth Interaction — EPSS 0.04254 Published 2009-06-03 No fix listed
Priority MEDIUM 49

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 traditional is vulnerable to server-side request forgery (SSRF) when the SIP container feature (sipSe…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00525 Published 2026-07-29 No fix listed CWE-306
Priority MEDIUM 49

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 IBM WebSphere Application Server Liberty is vulnerable to an authentication bypass when the rtcomm-1.0 or rtcommGateway-1.0 feature is enabled.

CVSS 3.1CRITICAL 9.4 Network No auth No interaction EPSS 0.0055 Published 2026-08-13 No fix listed CWE-306
Priority MEDIUM 49

IBM WebSphere Application Server Liberty OpenID Connect could allow a remote attacker to execute arbitrary code on the system, caused by improper deserialization.

CVSS 3.0CRITICAL 9.8 Network No auth No interaction EPSS 0.03872 Published 2018-10-31 No fix listed CWE-502
Priority MEDIUM 49

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow remote attackers to execute arbitrary Java code through the SOAP connector with a serialized object from untrusted sources.

CVSS 3.0CRITICAL 9.8 Network No auth No interaction EPSS 0.0376 Published 2018-09-07 No fix listed CWE-502
Priority MEDIUM 49

CRLF injection vulnerability in the WebContainer component in IBM WebSphere Application Server (WAS) 5.1.1.19 and earlier 5.1.x versions allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response…

CVSS 2.0HIGH 10.0 Network No auth Interaction — EPSS 0.03302 Published 2009-02-10 No fix listed CWE-20
Priority MEDIUM 48

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow remote attackers to execute arbitrary Java code through an administrative client class with a serialized object from untrusted sources.

CVSS 3.0CRITICAL 9.8 Network No auth No interaction EPSS 0.03698 Published 2018-12-11 No fix listed CWE-502
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