{"action":"Upgrade pypdf to 6.7.3 or later.","affected":[{"fixed":"6.7.3","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-27888"],"ecosystem":"PyPI","epss":0.00399,"exploited":false,"fixed_versions":["6.7.3"],"ghsa_id":"GHSA-x7hp-r3qg-r3cj","id":"tcs_01M5KG3P9RWAQRPQ5J1ZH61HCS","modified_at":"2026-07-13T16:43:05.154122042Z","published_at":"2026-02-26T19:55:33Z","references":["https://osv.dev/vulnerability/GHSA-x7hp-r3qg-r3cj","https://github.com/py-pdf/pypdf/security/advisories/GHSA-x7hp-r3qg-r3cj","https://nvd.nist.gov/vuln/detail/CVE-2026-27888","https://github.com/py-pdf/pypdf/pull/3658","https://github.com/py-pdf/pypdf/commit/7a4c8246ed48d9d328fb596942271da47b6d109c","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.7.3"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-x7hp-r3qg-r3cj","url":"https://osv.dev/vulnerability/GHSA-x7hp-r3qg-r3cj"},{"source":"nvd","source_id":"CVE-2026-27888","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27888"}],"summary":"pypdf: Manipulated FlateDecode XFA streams can exhaust RAM"}