CVE Catalog

CVE-2026-63414

HighCVSS 7.6
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.55%

46th percentile - higher than 46% of all known CVEs

Summary

In Shopify App (Rails engine) from 22.1.0 until 23.0.3, token-exchange authenticated controllers can expose a request-derived shop context instead of the identity from a verified Shopify ID token or active session. current_shopify_domain can resolve to the sanitized shop query parameter, so a request authenticated for one shop can be treated as another requested shop.

Risk Assessment

An attacker with a valid Shopify session token for one shop can supply another shop and potentially obtain unauthorized application data or perform shop-scoped actions.

Recommendation

Update shopify_app to version 23.0.3 or later and avoid relying on current_shopify_domain or params[:shop] for authorization without identity verification.

Related vulnerabilities

Original NVD description (English source)

Shopify App is a Rails engine for building Shopify applications. From 22.1.0 until 23.0.3, `token-exchange` authenticated controllers can expose a request-derived `shop` context instead of the identity from a verified Shopify ID token or active Shopify session. `current_shopify_domain` can resolve to the sanitized `shop` query parameter, so a request authenticated for one `shop` can cause application code to treat a different requested `shop` as current. Affected applications use `shopify_app` `token-exchange` authentication, accept authenticated requests with a `shop` query parameter, and rely on `current_shopify_domain` or `params[:shop]` for authorization, tenant lookup, stored access-token selection or `shop`-scoped data access. An attacker with a valid Shopify session token for one `shop` can supply another `shop` in that parameter and potentially obtain unauthorized application data or perform `shop`-scoped actions, depending on the application's authorization model. This issue is fixed in version 23.0.3.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS