{"id":"CVE-2026-111663","published":"2026-10-16T18:17:48.077","lastModified":"2026-10-16T19:03:18.127","description":"Chaskiq through 2.0.3 contains a server-side request forgery vulnerability that allows unauthenticated attackers to fetch arbitrary URLs via the createUrlUpload GraphQL mutation. Attackers can submit internal URLs, including cloud instance metadata endpoints, through POST /graphql and retrieve the full response via the returned ActiveStorage blob URL.","cvssScore":8.6,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","cwes":["CWE-918"],"vendors":[],"products":[],"references":[{"url":"https://github.com/chaskiq/chaskiq/blob/2.0.3/app/controllers/graphql_controller.rb#L3-L33","tags":[]},{"url":"https://github.com/chaskiq/chaskiq/blob/2.0.3/app/graphql/mutations/create_url_upload.rb#L29-L66","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/chaskiq-unauthenticated-ssrf-oembed-url-upload","tags":[]},{"url":"https://www.vulncheck.com/advisories/chaskiq-through-2.0.3-ssrf-via-createurlupload-graphql-mutation","tags":[]}],"exploitRefs":[{"url":"https://github.com/chaskiq/chaskiq/blob/2.0.3/app/controllers/graphql_controller.rb#L3-L33","tags":[]},{"url":"https://github.com/chaskiq/chaskiq/blob/2.0.3/app/graphql/mutations/create_url_upload.rb#L29-L66","tags":[]}],"hasPoc":true,"ai":null}