{"id":"CVE-2026-77816","aliases":["EUVD-2026-100488","GHSA-6v8r-r3rp-wwmm"],"status":"published","title":"IBM WebSphere Application Server Liberty Improper Certificate Validation","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00229,"percentile":0.13807,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2026-10-13T20:15:07Z","modified":"2026-10-14T17:19:11Z","products":[{"vendor":"ibm","product":"websphere application server - liberty"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7291394","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77816"},{"url":"https://github.com/advisories/GHSA-6v8r-r3rp-wwmm"}],"sources":{"cve":[{"id":"CVE-2026-77816","title":"IBM WebSphere Application Server Liberty Improper Certificate Validation","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.","status":"published","published":"2026-10-13T20:15:07.289Z","modified":"2026-10-14T16:54:53.451Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:20:15.712761Z"}],"euvd":[{"id":"EUVD-2026-100488","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.","status":"published","published":"2026-10-13T20:15:07Z","modified":"2026-10-14T16:54:53Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:14.304159Z"}],"ghsa":[{"id":"GHSA-6v8r-r3rp-wwmm","title":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could...","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.","status":"published","published":"2026-10-13T21:37:31Z","modified":"2026-10-13T21:37:39Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:13:22.12395Z"}],"nvd":[{"id":"CVE-2026-77816","description":"IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.","status":"published","published":"2026-10-13T21:18:21.033Z","modified":"2026-10-14T17:19:11.61Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:58.630796Z"}]}}