{"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"}]}],"cveId":"CVE-2026-17139","cwes":["CWE-79"],"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 authenticated attacker to execute arbitrary scripts due to cross-site scripting. Certain URL fields are not sufficiently validated, so malicious script content could run in another user's browser session.","epss":{"date":"2026-11-08","percentile":0.28087,"score":0.00344},"exploits":[],"kev":null,"metrics":[{"score":5.4,"severity":"medium","source":"CNA: ibm","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},{"score":5.4,"severity":"medium","source":"NVD: psirt@us.ibm.com","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}],"modifiedAt":1794231617654,"publishedAt":1794025916694,"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":[],"url":"https://www.ibm.com/support/pages/node/7295635"},{"source":"psirt@us.ibm.com","tags":[],"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":"8519dae5753beafc71c71fb19ea59da2a5d94b3d15bac4fe7495adf284952f93","sources":[{"modifiedAt":1794231617654,"name":"CNA: ibm","retrievedAt":1794233402557,"url":"https://www.cve.org/CVERecord?id=CVE-2026-17139"},{"modifiedAt":1794028707160,"name":"NVD","retrievedAt":1794032185867,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17139"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794203183465,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-17139"}],"ssvc":{"assessedAt":1794231600643,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Multiple Vulnerabilities in IBM API Connect","updatedAt":1794233402557}