IBM WebSphere Application Server vulnerabilities
73 known CVE vulnerabilities in IBM WebSphere Application Server, translated and rated.
- CVE-2026-8400High
IBM WebSphere Application Server 8.5 and 9.0 and IBM WebSphere Application Server - Liberty Continuous delivery have a flaw in the ORB component in IBM SDK, Java Technology Edition, which may allow a malicious IIOP server to induce loading and instantiation of arbitrary classes.
- CVE-2026-11536High
IBM WebSphere Application Server 9.0 and 8.5 contain a remote code execution vulnerability in the SOAP/JMX connector. An attacker can exploit this flaw to execute arbitrary code on the server.
- CVE-2026-9322High
IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 are vulnerable to a denial of service via a crafted HTTP request.
- CVE-2026-10842High
A vulnerability in IBM WebSphere Application Server 8.5 and 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.7 could allow a remote attacker to bypass security constraints.
- CVE-2026-15328High
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling.
- CVE-2026-15325High
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP request smuggling due to improper handling of TRACE requests.
- CVE-2026-15064High
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.
- CVE-2026-14981High
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty are affected by a denial of service vulnerability in the HTTP channel due to unbounded allocation of resources without limits.
- CVE-2026-14974High
IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code caused by unsafe deserialization of untrusted data.
- CVE-2026-14528High
IBM WebSphere Application Server 9.0 and 8.5 traditional could allow a remote attacker to obtain sensitive information.
- CVE-2026-14515Medium
IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to conduct a cross-site scripting attack.
- CVE-2026-16184High
IBM WebSphere Application Server versions 9.0 and 8.5 could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.
- CVE-2026-9171High
IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.
- CVE-2026-11594High
IBM WebSphere Application Server 9.0 and 8.5 is affected by a cross-site scripting vulnerability in the administrative console. This allows an attacker to inject malicious scripts into the server management interface.
- CVE-2026-11595Medium
IBM WebSphere Application Server 9.0 and 8.5 contain a vulnerability that could allow a remote attacker to obtain sensitive information from the integrated help system of the administrative console.
- CVE-2026-10852Medium
IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to a denial of service (DoS) attack in the WebSphere WebServer Plug-in component. An attacker can send crafted requests to the web server, causing system overload.
- CVE-2026-9072High
IBM WebSphere Application Server and IBM WebSphere Application Server Liberty, when using Intelligent Management with the WebSphere WebServer Plug-in component, are vulnerable to remote code execution and denial of service. This vulnerability can be exploited when an attacker impersonates backend servers and sends crafted responses to the plug-in.
- CVE-2026-9006High
IBM WebSphere Application Server versions 9.0 and 8.5 are vulnerable to server-side request forgery (SSRF) with the Ajax Proxy configured. This may allow an attacker to send unauthorized requests from the system, resulting in a security bypass or information disclosure.
- CVE-2026-8858High
IBM WebSphere Application Server and Liberty are vulnerable to remote code execution and denial of service in the WebSphere Web Server Plug-in component. This vulnerability can be exploited when an attacker impersonates the application server and sends crafted responses to the plug-in.
- CVE-2026-9330High
IBM WebSphere Application Server 9.0 and 8.5 is affected by improper validation of user-supplied data during deserialization using the SAML Web Single Sign-On component. This could result in remote code execution via a crafted HTTP request when combined with a suitable gadget chain.
- CVE-2026-8620High
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty are vulnerable to HTTP request smuggling. An attacker can send a specially crafted request that is misinterpreted by the server.
- CVE-2025-12635Medium
IBM WebSphere Application Server 8.5, 9.0 and Liberty 17.0.0.3 through 25.0.0.12 are affected by cross-site scripting due to improper validation of user-supplied input. An attacker could exploit this vulnerability by using a specially crafted URL to redirect the user to a malicious site.
- CVE-2025-36099Medium
IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A privileged user could exploit this vulnerability to cause the server to consume memory resources.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

