{"id":"CVE-2026-18838","aliases":["EUVD-2026-118795","GHSA-rc8r-m7cp-8q8m"],"status":"published","title":"Multiple Vulnerabilities in IBM API Connect","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user.","severity":{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00672,"percentile":0.52524,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-290"],"published":"2026-11-07T04:34:40Z","modified":"2026-11-07T06:31:23Z","products":[{"vendor":"ibm","product":"api connect"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7295635","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18838"},{"url":"https://github.com/advisories/GHSA-rc8r-m7cp-8q8m"}],"sources":{"cve":[{"id":"CVE-2026-18838","title":"Multiple Vulnerabilities in IBM API Connect","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user.","status":"published","published":"2026-11-07T04:34:40.256Z","modified":"2026-11-07T04:34:40.256Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"cna"}],"cwes":["CWE-290"],"updated_at":"2026-11-07T05:32:42.683254Z"}],"euvd":[{"id":"EUVD-2026-118795","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user.","status":"published","published":"2026-11-07T04:34:40Z","modified":"2026-11-07T04:34:40Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical"}],"updated_at":"2026-11-07T09:08:55.005824Z"}],"ghsa":[{"id":"GHSA-rc8r-m7cp-8q8m","title":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive...","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user.","status":"published","published":"2026-11-07T06:31:22Z","modified":"2026-11-07T06:31:23Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical"}],"cwes":["CWE-290"],"updated_at":"2026-11-07T06:36:01.089885Z"}],"nvd":[{"id":"CVE-2026-18838","description":"IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information and modify API configurations due to improper authentication. Identity information supplied in requests is not sufficiently verified, which could allow a caller to impersonate another user.","status":"published","published":"2026-11-07T05:18:59.803Z","modified":"2026-11-07T05:18:59.92Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"primary"}],"cwes":["CWE-290"],"updated_at":"2026-11-07T07:04:26.376376Z"}]}}