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Generated remediation guidance and an executive summary. No account required.
hoppscotch is an open source API development ecosystem. Prior to version 2026.2.0, the `userCollection` GraphQL query accepts an arbitrary collection ID and returns the full collection data — including title, type, and the serialized `data` field containing HTTP requests with headers and potentially secrets — to any authenticated user, without verifying that the requesting user owns the collection. This is an Insecure Direct Object Reference (IDOR) caused by a missing authorization check that exists on every other operation in the same resolver. Version 2026.2.0 fixes the issue.
Use CWE-862, Hoppscotch vendor hub and Hoppscotch product page to widen CVE-2026-28217 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2026-28215, CVE-2026-34932 and CVE-2026-34931 for nearby disclosures in the same product family.