{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/websphere-application-server-9.0/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":8.1,"id":"CVE-2026-14974"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["WebSphere Application Server 8.5","WebSphere Application Server 9.0"],"_cs_severities":["high"],"_cs_tags":["vulnerability","deserialization","rce","websphere","cve"],"_cs_type":"advisory","_cs_vendors":["IBM"],"content_html":"\u003cp\u003eIBM has disclosed a critical remote code execution (RCE) vulnerability, tracked as CVE-2026-14974, affecting traditional versions of WebSphere Application Server 8.5 and 9.0. This flaw stems from unsafe deserialization of untrusted data, specifically identified as a CWE-502 vulnerability. A remote attacker can exploit this weakness by sending specially crafted input to a vulnerable WebSphere server, leading to the execution of arbitrary code on the underlying system. This vulnerability poses a significant risk to organizations utilizing these versions of WebSphere, as successful exploitation grants attackers full control over the compromised server, potentially enabling data exfiltration, system disruption, or further lateral movement within the network. Immediate patching and diligent monitoring are crucial to mitigate the threat.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eA remote attacker identifies an internet-facing or internal IBM WebSphere Application Server instance running versions 8.5 or 9.0 traditional.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious serialized object containing commands or payloads.\u003c/li\u003e\n\u003cli\u003eThe attacker sends a specially engineered network request, embedding the malicious serialized object, to the vulnerable WebSphere server.\u003c/li\u003e\n\u003cli\u003eThe WebSphere Application Server processes the incoming request and attempts to deserialize the untrusted data.\u003c/li\u003e\n\u003cli\u003eDue to the unsafe deserialization vulnerability (CWE-502), the server incorrectly interprets and executes the attacker's embedded commands during the deserialization process.\u003c/li\u003e\n\u003cli\u003eArbitrary code execution is achieved on the WebSphere Application Server with the privileges of the server process.\u003c/li\u003e\n\u003cli\u003eThe attacker gains full control over the compromised server, enabling further malicious activities.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-14974 leads to arbitrary code execution on the compromised IBM WebSphere Application Server. This can result in complete control over the server, allowing attackers to deploy malware, exfiltrate sensitive data, modify configurations, establish persistence, or use the server as a pivot point for further attacks into the internal network. While no specific observed victim counts or targeted sectors are mentioned in the disclosure, WebSphere Application Server is widely used in enterprise environments, making a broad range of organizations potential targets. The high CVSS score of 8.1 indicates a significant risk of impact on confidentiality, integrity, and availability.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePatch CVE-2026-14974 on all IBM WebSphere Application Server 8.5 and 9.0 traditional instances immediately by applying the vendor-provided fixes linked in the references.\u003c/li\u003e\n\u003cli\u003eImplement network segmentation to restrict direct exposure of WebSphere Application Server instances to untrusted networks where possible.\u003c/li\u003e\n\u003cli\u003eEnable comprehensive process creation and network connection logging on servers running IBM WebSphere Application Server to identify unusual activity.\u003c/li\u003e\n\u003cli\u003eMonitor outbound network connections from WebSphere Application Server processes for anomalous destinations or protocols indicative of command and control activity.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-07-28T21:25:33Z","date_published":"2026-07-28T21:25:33Z","id":"https://feed.craftedsignal.io/briefs/2026-07-ibm-websphere-rce/","summary":"A critical unsafe deserialization vulnerability, CVE-2026-14974, in IBM WebSphere Application Server versions 8.5 and 9.0 traditional, allows a remote attacker to execute arbitrary code by processing specially crafted untrusted data, potentially leading to full system compromise.","title":"IBM WebSphere Application Server Unsafe Deserialization Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-07-ibm-websphere-rce/"},{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7,"id":"CVE-2026-16184"},{"cvss":7.4,"id":"CVE-2026-14528"},{"cvss":9.8,"id":"CVE-2026-14446"},{"cvss":9.8,"id":"CVE-2026-14512"},{"cvss":7.5,"id":"CVE-2026-14981"},{"cvss":8.7,"id":"CVE-2026-15325"},{"cvss":8.7,"id":"CVE-2026-15064"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["WebSphere Application Server 9.0","WebSphere Application Server 8.5","WebSphere Application Server - Liberty \u003e= 17.0.0.3 \u003c= 26.0.0.7","WebSphere Application Server - Liberty 17.0.0.3","WebSphere Application Server - Liberty 26.0.0.7","WebSphere Application Server (9.0)","WebSphere Application Server (8.5)","WebSphere Application Server - Liberty (\u003e= 17.0.0.3, \u003c= 26.0.0.7)","WebSphere Application Server - Liberty"],"_cs_severities":["critical"],"_cs_tags":["vulnerability","authentication-bypass","websphere","broken-access-control","privilege-escalation","deserialization","RCE","server-side-request-forgery","cwe-502","http-smuggling","server-side","http-request-smuggling","web-vulnerability","cve"],"_cs_type":"advisory","_cs_vendors":["IBM"],"content_html":"\u003cp\u003eIBM has identified a high-severity vulnerability, CVE-2026-16184, affecting its WebSphere Application Server versions 9.0 and 8.5. This flaw, categorized as a Missing Authorization (CWE-862), allows a remote, unauthenticated attacker to bypass the server's authentication mechanisms. By sending a specially crafted request, an attacker can gain unauthorized access to the application server. This vulnerability can lead to unauthorized information disclosure, data modification, or denial of service, depending on the accessed resources and the attacker's capabilities post-bypass. Organizations using affected WebSphere versions are advised to apply the necessary patches provided by IBM to mitigate the risk of exploitation.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eA remote, unauthenticated attacker identifies a public-facing IBM WebSphere Application Server instance running a vulnerable version (9.0 or 8.5).\u003c/li\u003e\n\u003cli\u003eThe attacker performs initial reconnaissance to understand the server's exposed endpoints and the expected authentication process.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a specific HTTP request designed to exploit the missing authorization vulnerability (CWE-862) within the WebSphere server's authentication logic.\u003c/li\u003e\n\u003cli\u003eThis crafted request is intentionally formed to bypass standard authentication checks, possibly by manipulating specific HTTP headers, cookies, URL parameters, or the request body content.\u003c/li\u003e\n\u003cli\u003eThe attacker sends this unauthenticated, crafted request to the vulnerable WebSphere Application Server.\u003c/li\u003e\n\u003cli\u003eThe server processes the request, and due to the underlying vulnerability, it fails to properly enforce authentication requirements, allowing the request to proceed as if authenticated.\u003c/li\u003e\n\u003cli\u003eConsequently, the attacker gains unauthorized access to resources, functionalities, or administrative interfaces within the application server without providing valid credentials.\u003c/li\u003e\n\u003cli\u003eWith unauthorized access, the attacker can potentially perform actions such as information disclosure, unauthorized data modification, or disrupt the availability of the server.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-16184 could lead to a significant compromise of the affected IBM WebSphere Application Server instance. Attackers could gain unauthorized access to sensitive data, modify application configurations, or disrupt critical services, leading to a loss of confidentiality, integrity, and availability for applications hosted on the server. While specific victim counts or sectors are not detailed, any organization running unpatched versions of WebSphere Application Server 9.0 or 8.5, particularly those exposed to the internet, is at risk.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePatch CVE-2026-16184 on all IBM WebSphere Application Server 9.0 and 8.5 instances immediately by applying the updates referenced in the IBM Corporation advisory \u003ccode\u003ehttps://www.ibm.com/support/pages/node/7281628\u003c/code\u003e.\u003c/li\u003e\n\u003cli\u003eMonitor \u003ccode\u003ewebserver\u003c/code\u003e logs for suspicious unauthenticated requests, specifically looking for abnormal access patterns to sensitive endpoints.\u003c/li\u003e\n\u003cli\u003eImplement strong network segmentation and access controls to limit exposure of IBM WebSphere Application Server instances to untrusted networks.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-07-28T21:30:35Z","date_published":"2026-07-28T20:21:12Z","id":"https://feed.craftedsignal.io/briefs/2026-07-ibm-websphere-auth-bypass/","summary":"A remote attacker can bypass authentication in IBM WebSphere Application Server versions 9.0 and 8.5 by sending a crafted unauthenticated request, potentially leading to unauthorized access and impact on confidentiality, integrity, and availability.","title":"IBM WebSphere Application Server Authentication Bypass Vulnerability (CVE-2026-16184)","url":"https://feed.craftedsignal.io/briefs/2026-07-ibm-websphere-auth-bypass/"}],"language":"en","title":"CraftedSignal Threat Feed - WebSphere Application Server 9.0","version":"https://jsonfeed.org/version/1.1"}