{"action":"Upgrade codeigniter4/framework to 4.7.3 or later.","affected":[{"fixed":"4.7.3","introduced":"0"}],"component":"codeigniter4/framework","cve_ids":["CVE-2026-48062"],"ecosystem":"Packagist","epss":0.00775,"exploited":false,"fixed_versions":["4.7.3"],"ghsa_id":"GHSA-2gr4-ppc7-7mhx","id":"tcs_01M5KERZ2SKNPT3F2NFQAVAZRB","modified_at":"2026-09-10T03:51:07.468496658Z","published_at":"2026-06-11T17:16:09Z","references":["https://osv.dev/vulnerability/GHSA-2gr4-ppc7-7mhx","https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-2gr4-ppc7-7mhx","https://github.com/codeigniter4/CodeIgniter4/commit/29299349e7d232e9532767c7cefaed30957309be","https://codeigniter.com/user_guide/libraries/uploaded_files.html#moving-files","https://codeigniter.com/user_guide/libraries/validation.html#rules-for-file-uploads","https://github.com/codeigniter4/CodeIgniter4","https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-2gr4-ppc7-7mhx","url":"https://osv.dev/vulnerability/GHSA-2gr4-ppc7-7mhx"}],"summary":"CodeIgniter4 has a validation bypass when uploading file extensions via `ext_in` rule"}