{"cve":"CVE-2019-10157","nvd":{"published":"2019-06-12T14:29:02.963","modified":"2026-06-17T02:10:22.633","status":"Modified","description":"It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could prevent user access indefinitely.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-287","CWE-345"],"references":["http://www.securityfocus.com/bid/108734","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157","http://www.securityfocus.com/bid/108734","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157"],"products":["redhat:keycloak","redhat:single_sign-on"],"source":"nvd","synced_at":"2026-10-19T20:57:00.690689396+00:00"},"epss":{"cve":"CVE-2019-10157","score":0.00208,"percentile":0.10905,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-68hw-vfh7-xvg8","url":"https://osv.dev/vulnerability/GHSA-68hw-vfh7-xvg8","summary":"Forced Logout in keycloak-connect","modified":"2023-11-08T04:00:41.814123Z","packages":[{"ecosystem":"npm","name":"keycloak-connect","purl":"pkg:npm/keycloak-connect","ranges":["<4.8.3"],"fixed":["4.8.3"]}]}],"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."]}