{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/85433?format=json","vulnerability_id":"VCID-epvz-duxp-tyf7","summary":"A flaw was found in Keycloak. This issue allows an attacker, who controls another path on the same web server, to bypass the allowed path in redirect Uniform Resource Identifiers (URIs) that use a wildcard. A successful attack may lead to the theft of an access token, resulting in information disclosure.","aliases":[{"alias":"CVE-2026-3872"}],"fixed_packages":[],"affected_packages":[],"references":[{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:build_keycloak:26.2::el9","reference_id":"cpe:/a:redhat:build_keycloak:26.2::el9","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:build_keycloak:26.2::el9"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:build_keycloak:26.4::el9","reference_id":"cpe:/a:redhat:build_keycloak:26.4::el9","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:build_keycloak:26.4::el9"},{"reference_url":"https://access.redhat.com/security/cve/CVE-2026-3872","reference_id":"CVE-2026-3872","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-02T13:15:11Z/"}],"url":"https://access.redhat.com/security/cve/CVE-2026-3872"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:6475","reference_id":"RHSA-2026:6475","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-02T13:15:11Z/"}],"url":"https://access.redhat.com/errata/RHSA-2026:6475"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:6476","reference_id":"RHSA-2026:6476","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-02T13:15:11Z/"}],"url":"https://access.redhat.com/errata/RHSA-2026:6476"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:6477","reference_id":"RHSA-2026:6477","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-02T13:15:11Z/"}],"url":"https://access.redhat.com/errata/RHSA-2026:6477"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:6478","reference_id":"RHSA-2026:6478","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-02T13:15:11Z/"}],"url":"https://access.redhat.com/errata/RHSA-2026:6478"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445988","reference_id":"show_bug.cgi?id=2445988","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-02T13:15:11Z/"}],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445988"}],"weaknesses":[{"cwe_id":601,"name":"URL Redirection to Untrusted Site ('Open Redirect')","description":"A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks."}],"exploits":[],"severity_range_score":"7.3 - 7.3","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-epvz-duxp-tyf7"}