{"id":"CVE-2026-11897","aliases":["EUVD-2026-51147","GHSA-89rj-ccwc-wmpm"],"status":"published","title":"IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00533,"percentile":0.45342,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-07-30T14:18:04Z","modified":"2026-10-23T22:10:00Z","products":[{"vendor":"ibm","product":"websphere application server - liberty"},{"vendor":"ibm","product":"websphere_application_server"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7280695","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11897"},{"url":"https://github.com/advisories/GHSA-89rj-ccwc-wmpm"}],"sources":{"cve":[{"id":"CVE-2026-11897","title":"IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.","status":"published","published":"2026-07-30T14:18:04.805Z","modified":"2026-07-30T17:37:03.035Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:20:04.463704Z"}],"euvd":[{"id":"EUVD-2026-51147","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.","status":"published","published":"2026-07-30T14:18:04Z","modified":"2026-07-30T17:37:03Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T18:02:28.035906Z"}],"ghsa":[{"id":"GHSA-89rj-ccwc-wmpm","title":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of...","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.","status":"published","published":"2026-07-30T15:31:52Z","modified":"2026-07-30T15:31:59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:09:56.692541Z"}],"nvd":[{"id":"CVE-2026-11897","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.","status":"published","published":"2026-07-30T15:16:24.143Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:33.955581Z"}]}}