{"action":"Upgrade getkirby/cms to 4.9.4 or later.","affected":[{"fixed":"4.9.4","introduced":"0"},{"fixed":"5.4.4","introduced":"5.0.0-alpha.1"}],"component":"getkirby/cms","cve_ids":["CVE-2026-50188"],"ecosystem":"Packagist","epss":0.00443,"exploited":false,"fixed_versions":["4.9.4","5.4.4"],"ghsa_id":"GHSA-4v4h-m2qq-ppgw","id":"tcs_01M5KEV9ZQ0GD93YYDWX60F4KC","modified_at":"2026-09-10T03:50:48.186248235Z","published_at":"2026-06-18T15:04:46Z","references":["https://osv.dev/vulnerability/GHSA-4v4h-m2qq-ppgw","https://github.com/getkirby/kirby/security/advisories/GHSA-4v4h-m2qq-ppgw","https://github.com/getkirby/kirby","https://github.com/getkirby/kirby/releases/tag/4.9.4","https://github.com/getkirby/kirby/releases/tag/5.4.4"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-4v4h-m2qq-ppgw","url":"https://osv.dev/vulnerability/GHSA-4v4h-m2qq-ppgw"}],"summary":"Kirby: Request header injection in `Http\\Remote`"}