{"affected":[{"product":"API Connect","source":"CNA: ibm","vendor":"IBM","versions":[{"lessThanOrEqual":"12.1.1.2","status":"affected","version":"12.1.0.0","versionType":"semver"},{"lessThanOrEqual":"10.0.8.12","status":"affected","version":"10.0.8.0","versionType":"semver"}]}],"cpeConfigurations":[{"negate":false,"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.8.13","versionStartIncluding":"10.0.8.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*","versionEndExcluding":"12.1.1.3","versionStartIncluding":"12.1.0.0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"cveId":"CVE-2026-16720","cwes":["CWE-287"],"description":"IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain valid access tokens for other users due to improper authentication. Authentication against a connected directory service is not sufficiently enforced, which could allow another user's identity to be assumed.","epss":{"date":"2026-11-13","percentile":0.56023,"score":0.00766},"exploits":[],"kev":null,"metrics":[{"score":9.8,"severity":"critical","source":"CNA: ibm","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},{"score":9.8,"severity":"critical","source":"NVD: psirt@us.ibm.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794581600336,"publishedAt":1794025888976,"references":[{"source":"CNA: ibm","tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7295635"},{"source":"CNA: ibm","tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7295637"},{"source":"psirt@us.ibm.com","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/7295635"},{"source":"psirt@us.ibm.com","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/7295637"}],"remediation":[{"kind":"fix","source":"CNA: ibm","text":"IBM strongly recommends addressing the vulnerability now by upgrading to v12.1.1.3\nFix Central Link:  https://www.ibm.com/support/pages/node/7290205 \n\n\n\nIBM strongly recommends addressing the vulnerability now by upgrading to 10.0.8.13Fix Central Link: https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&product=ibm/WebSphere/IBM+API+Connect&release=10.0.8.12&platform=All&function=all"},{"kind":"fix","source":"CNA: ibm","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.ibm.com/support/pages/node/7295635"},{"kind":"fix","source":"CNA: ibm","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.ibm.com/support/pages/node/7295637"}],"revision":"aff247a815caa3ef43cdae5db2c40902fd2b789e8bd75fd093bc247af03fee08","sources":[{"modifiedAt":1794581600336,"name":"CNA: ibm","retrievedAt":1794582621576,"url":"https://www.cve.org/CVERecord?id=CVE-2026-16720"},{"modifiedAt":1794329801287,"name":"NVD","retrievedAt":1794335801134,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16720"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794582623155,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-16720"}],"ssvc":{"assessedAt":1794581590291,"automatable":"yes","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Multiple Vulnerabilities in IBM API Connect","updatedAt":1794582623155}