{"id":"CVE-2026-72784","summary":"Craft CMS 5.0.0-RC1 before 5.10.6 SSRF via GraphQL asset mutation","details":"Craft CMS versions \u003e= 5.0.0-RC1 before 5.10.6 and \u003e= 4.0.0-RC1 before 4.18.2 contain a server-side request forgery vulnerability in the GraphQL save\u003cVolume\u003eAsset mutation, which fetches an attacker-supplied URL server-side. The anti-SSRF validation is incomplete: validateIp() does not cover CGNAT (100.64.0.0/10) or NAT64 (64:ff9b::/96) ranges, and the only IP check runs after the request has already been issued. An attacker holding a GraphQL token scoped only to asset-creation permissions can disclose internal HTTP content from CGNAT/NAT64 targets, force outbound GET requests to internal hosts (including RFC1918, loopback, and metadata endpoints), and enumerate internal services.","aliases":["GHSA-2mx8-9ww7-p27x"],"modified":"2026-08-13T03:51:48.491273535Z","published":"2026-08-11T12:17:18.509Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72784.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-918"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72784.json"},{"type":"ADVISORY","url":"https://github.com/craftcms/cms/security/advisories/GHSA-2mx8-9ww7-p27x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72784"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/craft-cms-rc1-before-ssrf-via-graphql-asset-mutation"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/craftcms/cms","events":[{"introduced":"04755d93f86d07cc183db47db8a0eee106892e30"},{"fixed":"5c055703a13ba3a52bf013d7ba6c0223d6f62ef8"},{"introduced":"daac7c1da2f701f2e9ddee1da1457ce61660b581"},{"fixed":"c7ea105e1d2cf043e76e7847d84e5732071a26b4"}],"database_specific":{"extracted_events":[{"introduced":"5.0.0-RC1"},{"fixed":"5.10.6"},{"introduced":"4.0.0-RC1"},{"fixed":"4.18.2"}],"source":"AFFECTED_FIELD"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72784.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L"}]}