CVE-2026-25758

Spree is an open source e-commerce solution built with Ruby on Rails. A critical IDOR vulnerability exists in Spree Commerce's guest checkout flow that allows any guest user to bind arbitrary guest addresses to their order by manipulating address ID parameters. This enables unauthorized access to other guests' personally identifiable information (PII) including names, addresses and phone numbers. The vulnerability bypasses existing ownership validation checks and affects all guest checkout transactions. This vulnerability is fixed in 4.10.3, 5.0.8, 5.1.10, 5.2.7, and 5.3.2.

The following products are affected by CVE-2026-25758 vulnerability.

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Here, you will find a curated list of external links that provide in-depth information to CVE-2026-25758.

URL	Resource
https://github.com/spree/spree/blob/1341623f2ae92685cdbe232885bf5808fc8f9ca8/core/app/models/spree/order/address_book.rb#L16-L38
https://github.com/spree/spree/blob/1341623f2ae92685cdbe232885bf5808fc8f9ca8/core/app/models/spree/order/checkout.rb#L241-L254
https://github.com/spree/spree/blob/1341623f2ae92685cdbe232885bf5808fc8f9ca8/core/app/services/spree/checkout/update.rb#L33-L48
https://github.com/spree/spree/blob/1341623f2ae92685cdbe232885bf5808fc8f9ca8/core/lib/spree/permitted_attributes.rb#L92-L96
https://github.com/spree/spree/commit/15619618e43b367617ec8d2d4aafc5e54fa7b734
https://github.com/spree/spree/commit/29282d1565ba4f7bc2bbc47d550e2c0c6d0ae59f
https://github.com/spree/spree/commit/6650f96356faa0d16c05bcb516f1ffd5641741b8
https://github.com/spree/spree/commit/902d301ac83fd2047db1b9a3a99545162860f748
https://github.com/spree/spree/commit/ff7cfcfcfe0c40c60d03317e1d0ee361c6a6b054
https://github.com/spree/spree/security/advisories/GHSA-87fh-rc96-6fr6