{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/websphere-application-server---liberty--17.0.0.3--26.0.0.7/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_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 - Liberty \u003e= 17.0.0.3 \u003c= 26.0.0.7","version":"https://jsonfeed.org/version/1.1"}