{"id":"DEBIAN-CVE-2020-26160","details":"jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m[\"aud\"] (which is allowed by the specification). Because the type assertion fails, \"\" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check.","modified":"2026-09-01T16:05:00.595181716Z","published":"2020-09-30T18:15:27.397Z","upstream":["CVE-2020-26160"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2020-26160"}],"affected":[{"package":{"name":"golang-github-dgrijalva-jwt-go","ecosystem":"Debian:12","purl":"pkg:deb/debian/golang-github-dgrijalva-jwt-go?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0-3"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-26160.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}