{"action":"Upgrade craftcms/cms to 4.17.9 or later.","affected":[{"fixed":"5.9.15","introduced":"5.0.0-RC1"},{"fixed":"4.17.9","introduced":"4.0.0-RC1"}],"component":"craftcms/cms","cve_ids":["CVE-2026-41129"],"ecosystem":"Packagist","epss":0.00275,"exploited":false,"fixed_versions":["5.9.15","4.17.9"],"ghsa_id":"GHSA-3m9m-24vh-39wx","id":"tcs_01M5KET3D3VFAE3N2PBAYWBPV9","modified_at":"2026-05-05T16:11:32.041854Z","published_at":"2026-04-14T23:35:16Z","references":["https://osv.dev/vulnerability/GHSA-3m9m-24vh-39wx","https://github.com/craftcms/cms/security/advisories/GHSA-3m9m-24vh-39wx","https://nvd.nist.gov/vuln/detail/CVE-2026-41129","https://github.com/craftcms/cms/commit/d20aecfaa0eae076c4154be3b17e1f9fa05ce46f","https://github.com/craftcms/cms"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"GHSA-3m9m-24vh-39wx","url":"https://osv.dev/vulnerability/GHSA-3m9m-24vh-39wx"},{"source":"nvd","source_id":"CVE-2026-41129","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41129"}],"summary":"Server-Side Request Forgery (SSRF) in Craft CMS with Asset Uploads Mutations"}