{"schema_version":"1.7.5","id":"openSUSE-SU-2026:21095-1","published":"2026-06-19T05:43:05Z","modified":"2026-06-30T18:24:40.576597716Z","related":["CVE-2026-48522","CVE-2026-48523","CVE-2026-48524","CVE-2026-48525","CVE-2026-48526"],"upstream":["CVE-2026-48522","CVE-2026-48523","CVE-2026-48524","CVE-2026-48525","CVE-2026-48526"],"summary":"Security update for python-PyJWT","details":"This update for python-PyJWT fixes the following issues\n\n- CVE-2026-48522: `PyJWKClient` passes URI arguments directly to `urllib.request.urlopen()` and allows for SSRF and\n  token forgery (bsc#1266798).\n- CVE-2026-48523: verifier-side algorithm allow-list bypass when `jwt.decode()` or `jwt.decode_complete()` are called\n  with a PyJWK key (bsc#1266799).\n- CVE-2026-48524: unlimited processing of JWTs with unknown kid values by `PyJWKClient.get_signing_key()` leads to\n  unbounded JWKS endpoint requests and DoS (bsc#1266800).\n- CVE-2026-48525: unbounded Base64URL decoding of unused payload segment in `b64=false` detached JWS allows for DoS\n  (bsc#1266801).\n- CVE-2026-48526: no validation of use of JSON Web Keys in HMAC algorithm when decoding JSON Web Tokens allows for\n  forged HS256 tokens (bsc#1266802).\n","affected":[{"package":{"name":"python-PyJWT","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/python-PyJWT&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.1-160000.2.1"}]}],"ecosystem_specific":{"binaries":[{"python313-PyJWT":"2.12.1-160000.2.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21095-1.json"}}],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1266798"},{"type":"REPORT","url":"https://bugzilla.suse.com/1266799"},{"type":"REPORT","url":"https://bugzilla.suse.com/1266800"},{"type":"REPORT","url":"https://bugzilla.suse.com/1266801"},{"type":"REPORT","url":"https://bugzilla.suse.com/1266802"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-48522"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-48523"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-48524"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-48525"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-48526"}]}