{"id":"openSUSE-SU-2026:20392-1","summary":"Security update for python-Authlib","details":"This update for python-Authlib fixes the following issues:\n\nChanges in python-Authlib:\n\n- CVE-2026-27962: JWS `deserialize_compact()` allows for signature bypass by\n  accepting user-controlled embedded JWK as verification key (bsc#1259738)\n- CVE-2026-28490: cryptographic padding oracle in JWE RSA1_5 key management\n  algorithm (bsc#1259736)\n- CVE-2026-28498: fail-open in behavior OIDC hash validation allows for bypass\n  mandatory integrity protections (bsc#1259737)\n","modified":"2026-03-26T17:24:19.438536Z","published":"2026-03-18T17:30:06Z","related":["CVE-2026-27962","CVE-2026-28490","CVE-2026-28498"],"upstream":["CVE-2026-27962","CVE-2026-28490","CVE-2026-28498"],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1259736"},{"type":"REPORT","url":"https://bugzilla.suse.com/1259737"},{"type":"REPORT","url":"https://bugzilla.suse.com/1259738"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-27962"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-28490"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-28498"}],"affected":[{"package":{"name":"python-Authlib","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/python-Authlib&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.2-bp160.3.1"}]}],"ecosystem_specific":{"binaries":[{"python313-Authlib":"1.5.2-bp160.3.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:20392-1.json"}}],"schema_version":"1.7.5"}