{"id":"CVE-2026-11549","title":"IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a virtual host bypass vulnerability.","summary":"IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a virtual host bypass vulnerability.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-284"],"vendor":"IBM","product":"CICS TX Advanced","affected":["cics_tx_advanced 10.1"],"published":"2026-09-18","updated":"2026-09-22","sourceUpdated":"2026-09-22T19:32:25.730","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-11549","references":[{"url":"https://www.ibm.com/support/pages/node/7287740","label":"psirt@us.ibm.com"},{"url":"https://www.ibm.com/support/pages/node/7286610"},{"url":"https://www.ibm.com/support/pages/node/7286611"}],"tags":["nvd","cve.org"],"epss":0.00327,"epssPercentile":0.25608,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-18T19:45:27.591407Z"},"ingestedAt":"2026-09-18T19:49:30.582Z","slug":"CVE-2026-11549","body":"## Overview\n\nIBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a virtual host bypass vulnerability.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}