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.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-111663 ↗
- github.com/chaskiq/chaskiq/blob/2.0.3/app/controllers/graphql_controller.rb ↗
- github.com/chaskiq/chaskiq/blob/2.0.3/app/graphql/mutations/create_url_upload.rb ↗
- hackmd.io/@hieuPenguinnn/chaskiq-unauthenticated-ssrf-oembed-url-upload ↗
- www.vulncheck.com/advisories/chaskiq-through-2.0.3-ssrf-via-createurlupload-graphql-mutation ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.