{"id":"SUSE-SU-2026:0975-1","summary":"Security update for python-Authlib","details":"This update for python-Authlib fixes the following issues:\n\n- CVE-2026-27962: JWS `deserialize_compact()` allows for signature bypass by accepting user-controlled embedded JWK as\n  verification key (bsc#1259738).\n- CVE-2026-28490: cryptographic padding oracle in JWE RSA1_5 key management algorithm (bsc#1259736).\n- CVE-2026-28498: fail-open in behavior OIDC hash validation allows for bypass mandatory integrity protections\n  (bsc#1259737).\n","modified":"2026-03-25T08:30:06.670319Z","published":"2026-03-23T16:34:37Z","related":["CVE-2026-27962","CVE-2026-28490","CVE-2026-28498"],"upstream":["CVE-2026-27962","CVE-2026-28490","CVE-2026-28498"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260975-1/"},{"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":"SUSE:Linux Enterprise Module for Python 3 15 SP7","purl":"pkg:rpm/suse/python-Authlib&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%203%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-150600.3.17.1"}]}],"ecosystem_specific":{"binaries":[{"python311-Authlib":"1.3.1-150600.3.17.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0975-1.json"}},{"package":{"name":"python-Authlib","ecosystem":"SUSE:Linux Enterprise Server 15 SP6-LTSS","purl":"pkg:rpm/suse/python-Authlib&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-150600.3.17.1"}]}],"ecosystem_specific":{"binaries":[{"python311-Authlib":"1.3.1-150600.3.17.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0975-1.json"}},{"package":{"name":"python-Authlib","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP6","purl":"pkg:rpm/suse/python-Authlib&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-150600.3.17.1"}]}],"ecosystem_specific":{"binaries":[{"python311-Authlib":"1.3.1-150600.3.17.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0975-1.json"}},{"package":{"name":"python-Authlib","ecosystem":"openSUSE:Leap 15.6","purl":"pkg:rpm/opensuse/python-Authlib&distro=openSUSE%20Leap%2015.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-150600.3.17.1"}]}],"ecosystem_specific":{"binaries":[{"python311-Authlib":"1.3.1-150600.3.17.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0975-1.json"}}],"schema_version":"1.7.5"}