{"schemaVersion":3,"id":"CVE-2019-3868","aliases":["RHSA-2019:0856","RHSA-2019:0857","GHSA-gc52-xj6p-9pxp"],"status":"published","duplicateOf":null,"title":null,"description":"Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider backend could hijack user’s browser session.","dates":{"published":"2019-04-24T15:21:50.000Z","modified":"2024-08-04T19:19:18.678Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.5,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":3.8,"severity":"low","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Red hat","score":3.8,"severity":"low","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","exploitability":3.1,"impact":4.2,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Maven","score":3.8,"severity":"low","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","exploitability":3.1,"impact":4.2,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":3.8,"severity":"low","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5.5,"severity":"medium","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01005,"percentile":0.626,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.01005},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.01005,"percentile":0.626}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01005,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.01005,"percentile":0.626}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-200","name":"Exposure of Sensitive Information to an Unauthorized Actor","description":"The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/200.html"}],"affected":[{"vendor":"org.keycloak","product":"keycloak-core","name":"org.keycloak:keycloak-core","label":"keycloak-core","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.keycloak/keycloak-core","purlType":"maven","versions":[{"text":"< 6.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 6.0.0","eol":null,"hubHref":null},{"vendor":"red hat","product":"keycloak","name":"keycloak","label":"keycloak","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"affects up to 6.0.0 version","noFixRecorded":false,"fixedIn":null}],"versionsText":"affects up to 6.0.0 version","eol":null,"hubHref":"/vendor/red_hat/keycloak"},{"vendor":"redhat","product":"keycloak","name":"keycloak","label":"keycloak","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 6.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 6.0.0","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"keycloak","label":"Keycloak","category":"server-app"}},"hubHref":"/vendor/redhat/keycloak"},{"vendor":"redhat","product":"rh-sso7-keycloak","name":"rh-sso7-keycloak","label":"rh-sso7-keycloak","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/rh-sso7-keycloak","purlType":"rpm","versions":[{"text":"< 0:3.4.17-1.Final_redhat_00001.1.jbcs.el7","noFixRecorded":false,"fixedIn":null},{"text":"< 0:3.4.17-1.Final_redhat_00001.1.jbcs.el6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:3.4.17-1.Final_redhat_00001.1.jbcs.el7 | < 0:3.4.17-1.Final_redhat_00001.1.jbcs.el6","eol":null,"hubHref":null},{"vendor":"redhat","product":"rh-sso7-keycloak-server","name":"rh-sso7-keycloak-server","label":"rh-sso7-keycloak-server","ecosystem":"Red Hat","cpePart":null,"purl":"pkg:rpm/redhat/rh-sso7-keycloak-server","purlType":"rpm","versions":[{"text":"< 0:3.4.17-1.Final_redhat_00001.1.jbcs.el7","noFixRecorded":false,"fixedIn":null},{"text":"< 0:3.4.17-1.Final_redhat_00001.1.jbcs.el6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0:3.4.17-1.Final_redhat_00001.1.jbcs.el7 | < 0:3.4.17-1.Final_redhat_00001.1.jbcs.el6","eol":null,"hubHref":null}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3868","label":"bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3868","hostname":"bugzilla.redhat.com","tags":["X Refsource CONFIRM","WEB","Issue Tracking","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/108061","label":"www.securityfocus.com/bid/108061","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","WEB","Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2019:1140","label":"access.redhat.com/errata/RHSA-2019:1140","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT","WEB"]},{"url":"https://access.redhat.com/errata/RHSA-2019:2998","label":"access.redhat.com/errata/RHSA-2019:2998","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT","WEB"]},{"url":"https://access.redhat.com/errata/RHSA-2019:0856","label":"access.redhat.com/errata/RHSA-2019:0856","hostname":"access.redhat.com","tags":["Advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","label":"access.redhat.com/security/updates/classification/","hostname":"access.redhat.com","tags":["ARTICLE"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1679144","label":"bugzilla.redhat.com/show_bug.cgi?id=1679144","hostname":"bugzilla.redhat.com","tags":["REPORT"]},{"url":"https://issues.redhat.com/browse/JBEAP-16660","label":"issues.redhat.com/browse/JBEAP-16660","hostname":"issues.redhat.com","tags":["ARTICLE"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_0856.json","label":"security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_0856.json","hostname":"security.access.redhat.com","tags":["Advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2019-3868","label":"access.redhat.com/security/cve/CVE-2019-3868","hostname":"access.redhat.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-3868","label":"www.cve.org/CVERecord?id=CVE-2019-3868","hostname":"www.cve.org","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-3868","label":"nvd.nist.gov/vuln/detail/CVE-2019-3868","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2019:0857","label":"access.redhat.com/errata/RHSA-2019:0857","hostname":"access.redhat.com","tags":["Advisory"]},{"url":"https://issues.redhat.com/browse/JBEAP-16661","label":"issues.redhat.com/browse/JBEAP-16661","hostname":"issues.redhat.com","tags":["ARTICLE"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_0857.json","label":"security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_0857.json","hostname":"security.access.redhat.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2019-04-24T15:21:50.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T19:19:18.678Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T06:44:27.405Z","stale":false,"partial":false}}