CVE-2026-56829

Shopper is a Headless e-commerce Admin Panel. Prior to 2.9.2, packages/admin/src/Livewire/Components/Products/VariantStock.php exposes stockAction() without edit_product_variants authorization and leaves public $variant client mutable because it lacks the Livewire Locked attribute. Any authenticated admin-panel user, including staff with only browse_products, can select an arbitrary product variant and inventory location through component state, then submit a positive or negative quantity adjustment. This permits browse-only staff to inflate stock, reduce stock, or force out-of-stock states for variants outside the current page. This issue is fixed in version 2.9.2.

• CWE-862

• https://github.com/shopperlabs/shopper/commit/bf72e2753e21296184596d507336c7d65ecd46ff
• https://github.com/shopperlabs/shopper/pull/570
• https://github.com/shopperlabs/shopper/releases/tag/v2.9.2
• https://github.com/shopperlabs/shopper/security/advisories/GHSA-g3f9-g5vj-p62f
• https://github.com/shopperlabs/shopper/security/advisories/GHSA-g3f9-g5vj-p62f

Published

Sep 15, 2026

Last Modified

Sep 15, 2026

Status

Received

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