{"action":"Upgrade authlib to 1.6.9 or later.","affected":[{"fixed":"1.6.9","introduced":"0"}],"component":"authlib","cve_ids":["CVE-2026-28490"],"ecosystem":"PyPI","epss":0.00144,"exploited":false,"fixed_versions":["1.6.9"],"ghsa_id":"GHSA-7432-952r-cw78","id":"tcs_01M5KF4QHDKHCPPV7D1QXAJT9X","modified_at":"2026-07-13T07:26:14.887077371Z","published_at":"2026-03-16T15:17:28Z","references":["https://osv.dev/vulnerability/GHSA-7432-952r-cw78","https://github.com/authlib/authlib/security/advisories/GHSA-7432-952r-cw78","https://nvd.nist.gov/vuln/detail/CVE-2026-28490","https://github.com/authlib/authlib/commit/48b345f29f6c459f11c6a40162b6c0b742ef2e22","https://github.com/authlib/authlib","https://github.com/authlib/authlib/releases/tag/v1.6.9"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-7432-952r-cw78","url":"https://osv.dev/vulnerability/GHSA-7432-952r-cw78"},{"source":"nvd","source_id":"CVE-2026-28490","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28490"}],"summary":"Authlib Vulnerable to JWE RSA1_5 Bleichenbacher Padding Oracle"}