{"id":"CVE-2026-8620","aliases":["EUVD-2026-31921","GHSA-qwgm-xj6f-w5v6"],"status":"published","title":"IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities when using when using Web Server Plug-ins","description":"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 HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00279,"percentile":0.20652,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-444"],"published":"2026-05-26T17:15:00Z","modified":"2026-07-23T11:10:00Z","products":[{"vendor":"ibm","product":"web server plug-ins for websphere application server and websphere liberty"},{"vendor":"ibm","product":"websphere_application_server"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7274072","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8620"},{"url":"https://github.com/advisories/GHSA-qwgm-xj6f-w5v6"}],"sources":{"cve":[{"id":"CVE-2026-8620","title":"IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities when using when using Web Server Plug-ins","description":"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 HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.","status":"published","published":"2026-05-26T17:15:00.501Z","modified":"2026-05-27T13:12:59.224Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-31921","description":"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 HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.","status":"published","published":"2026-05-26T17:15:00Z","modified":"2026-05-27T13:12:59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T18:21:04.78276Z"}],"ghsa":[{"id":"GHSA-qwgm-xj6f-w5v6","title":"IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM...","description":"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 HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.","status":"published","published":"2026-05-26T18:31:51Z","modified":"2026-05-26T18:31:59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T15:08:18.762226Z"}],"nvd":[{"id":"CVE-2026-8620","description":"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 HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.","status":"published","published":"2026-05-26T18:16:56.35Z","modified":"2026-07-23T11:10:00.12Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:12:20.511562Z"}]}}