{"action":"Upgrade samba to 4.21.6-r0 or later.","affected":[{"fixed":"4.21.6-r0","introduced":"4.21.0"}],"component":"samba","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["4.21.6-r0"],"id":"tcs_01M5NF859CBPM5XZV94PRSD8AB","modified_at":"2026-08-27T22:18:02.751940380Z","published_at":"2025-06-06T14:15:21.247Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2025-0620","https://security.alpinelinux.org/vuln/CVE-2025-0620"],"severity":{"label":"medium","score":4.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2025-0620","url":"https://osv.dev/vulnerability/ALPINE-CVE-2025-0620"}],"summary":"A flaw was found in Samba. The smbd service daemon does not pick up group membership changes when re-authenticating an expired SMB session. This issue can expose file shares until clients disconnect a"}