{"action":"Upgrade python-pysaml2 to 4.5.0-7 or later.","affected":[{"fixed":"4.5.0-7","introduced":"0"}],"component":"python-pysaml2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.5.0-7"],"id":"tcs_01M5NF4NB47RRYJB2F47C1XT0J","modified_at":"2026-09-11T11:02:35.770856338Z","published_at":"2020-01-13T19:15:12.413Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-5390","https://security-tracker.debian.org/tracker/CVE-2020-5390"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-5390#Debian:14/python-pysaml2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-5390"}],"summary":"PySAML2 before 5.0.0 does not check that the signature in a SAML document is enveloped and thus signature wrapping is effective, i.e., it is affected by XML Signature Wrapping (XSW). The signature inf"}