{"id":"CVE-2026-15064","title":"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.","summary":"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.","severity":"high","cvss":8.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","cwe":["CWE-444"],"vendor":"ibm","product":"websphere_application_server","affected":["websphere_application_server >= 8.5.0.0, < 8.5.5.31","websphere_application_server >= 9.0.0.0, < 9.0.5.29","websphere_application_server >= 17.0.0.3, < 26.0.0.8"],"patched":["websphere_application_server 26.0.0.8"],"published":"2026-07-28","updated":"2026-09-23","sourceUpdated":"2026-09-23T21:16:58.210","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-15064","references":[{"url":"https://www.ibm.com/support/pages/node/7281625","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-29T00:00:00+00:00"},"epss":0.0022,"epssPercentile":0.12761,"ingestedAt":"2026-09-23T21:33:13.507Z","slug":"CVE-2026-15064","body":"## Overview\n\nIBM 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.\n\n## Affected\n\n- `websphere_application_server >= 8.5.0.0, < 8.5.5.31`\n- `websphere_application_server >= 9.0.0.0, < 9.0.5.29`\n- `websphere_application_server >= 17.0.0.3, < 26.0.0.8`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `websphere_application_server 26.0.0.8`","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}