{"id":"CVE-2026-105442","aliases":["EUVD-2026-100493","GHSA-5q74-39hp-qp43"],"status":"published","title":"IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a deserialization of untrusted data","description":"IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 Liberty could allow a remote attacker to cause a denial of service caused by an insecure deserialization in the messaging service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00395,"percentile":0.34163,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-10-13T20:17:14Z","modified":"2026-10-14T17:18:15Z","products":[{"vendor":"ibm","product":"websphere application server"},{"vendor":"ibm","product":"websphere application server - liberty"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7292221","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105442"},{"url":"https://github.com/advisories/GHSA-5q74-39hp-qp43"}],"sources":{"cve":[{"id":"CVE-2026-105442","title":"IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a deserialization of untrusted data","description":"IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 Liberty could allow a remote attacker to cause a denial of service caused by an insecure deserialization in the messaging service.","status":"published","published":"2026-10-13T20:17:14.541Z","modified":"2026-10-14T16:56:20.607Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:19:56.755658Z"}],"euvd":[{"id":"EUVD-2026-100493","description":"IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 Liberty could allow a remote attacker to cause a denial of service caused by an insecure deserialization in the messaging service.","status":"published","published":"2026-10-13T20:17:14Z","modified":"2026-10-14T16:56:20Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:14.304159Z"}],"ghsa":[{"id":"GHSA-5q74-39hp-qp43","title":"IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0...","description":"IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 Liberty could allow a remote attacker to cause a denial of service caused by an insecure deserialization in the messaging service.","status":"published","published":"2026-10-13T21:37:28Z","modified":"2026-10-13T21:37:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:13:21.557572Z"}],"nvd":[{"id":"CVE-2026-105442","description":"IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 Liberty could allow a remote attacker to cause a denial of service caused by an insecure deserialization in the messaging service.","status":"published","published":"2026-10-13T21:17:26.913Z","modified":"2026-10-14T17:18:15.073Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:58.630796Z"}]}}