{"id":"CLEANSTART-2025-MA81386","summary":"PySAML2 is a pure python implementation of SAML Version 2 Standard","details":"CVE-2021-21239 affects multiple packages. PySAML2 is a pure python implementation of SAML Version 2 Standard. See references for individual vulnerability details.","modified":"2026-10-31T16:30:36.934892684Z","published":"2026-10-31T14:27:31.252021Z","upstream":["CVE-2021-21239"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2025/CLEANSTART-2025-MA81386.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2021-21239"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21239"}],"affected":[{"package":{"name":"py3.10-saml2","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/py3.10-saml2?arch=noarch"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-MA81386.json"}},{"package":{"name":"py3-saml2","ecosystem":"CleanStart","purl":"pkg:apk/cleanstart/py3-saml2?arch=noarch"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.5.0-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2025/CLEANSTART-2025-MA81386.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"}]}