{"cve":"CVE-2019-4155","nvd":{"published":"2019-04-08T15:29:02.607","modified":"2026-06-17T02:36:12.890","status":"Modified","description":"IBM API Connect's Developer Portal 2018.1 and 2018.4.1.3 is impacted by a privilege escalation vulnerability when integrated with an OpenID Connect (OIDC) user registry. IBM X-Force ID: 158544.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["http://www.ibm.com/support/docview.wss?uid=ibm10879575","http://www.securityfocus.com/bid/107806","https://exchange.xforce.ibmcloud.com/vulnerabilities/158544","http://www.ibm.com/support/docview.wss?uid=ibm10879575","http://www.securityfocus.com/bid/107806"],"products":["ibm:api_connect"],"source":"nvd","synced_at":"2026-10-19T20:55:22.313337056+00:00"},"epss":{"cve":"CVE-2019-4155","score":0.02626,"percentile":0.85492,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}