{"action":"Upgrade codeigniter4/framework to 4.7.4 or later.","affected":[{"fixed":"4.7.4","introduced":"0"}],"component":"codeigniter4/framework","cve_ids":["CVE-2026-63223"],"ecosystem":"Packagist","epss":0.008,"exploited":false,"fixed_versions":["4.7.4"],"ghsa_id":"GHSA-mmj4-63m4-r6h5","id":"tcs_01M5KF5PG2X2XBMS4RHRSAERFF","modified_at":"2026-08-07T18:31:29.628130028Z","published_at":"2026-08-07T18:24:21Z","references":["https://osv.dev/vulnerability/GHSA-mmj4-63m4-r6h5","https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-mmj4-63m4-r6h5","https://nvd.nist.gov/vuln/detail/CVE-2026-63223","https://github.com/codeigniter4/CodeIgniter4/commit/b6e9a4fa1dca2df3d3f261bdf61532df8c6420aa","https://github.com/codeigniter4/CodeIgniter4","https://github.com/codeigniter4/CodeIgniter4/releases/tag/v4.7.4"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-mmj4-63m4-r6h5","url":"https://osv.dev/vulnerability/GHSA-mmj4-63m4-r6h5"}],"summary":"CodeIgniter: Uploaded file extension validation bypass in `is_image` and `mime_in` rules"}