{"id":"CVE-2026-19646","aliases":["EUVD-2026-75877","GHSA-4qf7-45mf-9g63"],"status":"published","title":"Multiple vulnerabilities affect IBM License Key Server Administration and Reporting Tool and IBM LKS Administration Agent","description":"IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0052,"percentile":0.4445,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1149"],"published":"2026-09-10T22:02:47Z","modified":"2026-09-11T18:16:56Z","products":[{"vendor":"ibm","product":"common licensing"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7286490","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19646"},{"url":"https://github.com/advisories/GHSA-4qf7-45mf-9g63"}],"sources":{"cve":[{"id":"CVE-2026-19646","title":"Multiple vulnerabilities affect IBM License Key Server Administration and Reporting Tool and IBM LKS Administration Agent","description":"IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.","status":"published","published":"2026-09-10T22:02:47.364Z","modified":"2026-09-11T17:04:13.786Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-1149"],"updated_at":"2026-11-02T13:47:28.691429Z"}],"euvd":[{"id":"EUVD-2026-75877","description":"IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.","status":"published","published":"2026-09-10T22:02:47Z","modified":"2026-09-11T17:04:13Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T17:28:22.225258Z"}],"ghsa":[{"id":"GHSA-4qf7-45mf-9g63","title":"IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0...","description":"IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.","status":"published","published":"2026-09-11T00:31:12Z","modified":"2026-09-11T00:31:12Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:11:43.788148Z"}],"nvd":[{"id":"CVE-2026-19646","description":"IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.","status":"published","published":"2026-09-10T22:16:55.697Z","modified":"2026-09-11T18:16:56.877Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-1149"],"updated_at":"2026-11-02T14:12:46.271848Z"}]}}