{"action":"Upgrade calibreweb to 0.6.15 or later.","affected":[{"fixed":"0.6.15","introduced":"0"}],"component":"calibreweb","cve_ids":["CVE-2021-4171"],"ecosystem":"PyPI","epss":0.01387,"exploited":false,"fixed_versions":["0.6.15"],"ghsa_id":"GHSA-xp7p-3gx7-j6wx","id":"tcs_01M5KG4FK7Q5N56PHJ5F4VHCJS","modified_at":"2026-06-29T12:26:35.954619779Z","published_at":"2022-01-21T23:44:15Z","references":["https://osv.dev/vulnerability/GHSA-xp7p-3gx7-j6wx","https://nvd.nist.gov/vuln/detail/CVE-2021-4171","https://github.com/janeczku/calibre-web/commit/3e0d8763c377d2146462811e3e4ccf13f0d312ce","https://github.com/janeczku/calibre-web","https://huntr.dev/bounties/1117f439-133c-4563-afb2-6cd80607bd5c"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-xp7p-3gx7-j6wx","url":"https://osv.dev/vulnerability/GHSA-xp7p-3gx7-j6wx"}],"summary":"calibre-web is vulnerable to Business Logic Errors"}