{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63414", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-16T19:20:28.988Z", "datePublished": "2026-10-30T22:49:47.431Z", "dateUpdated": "2026-10-30T22:49:47.431Z"}, "containers": {"cna": {"title": "Shopify App: Token exchange shop context confusion may allow cross-shop authorization bypass in affected apps", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/Shopify/shopify_app/security/advisories/GHSA-6j52-38f8-qhxr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Shopify/shopify_app/security/advisories/GHSA-6j52-38f8-qhxr"}, {"name": "https://github.com/Shopify/shopify_app/pull/2081", "tags": ["x_refsource_MISC"], "url": "https://github.com/Shopify/shopify_app/pull/2081"}, {"name": "https://github.com/Shopify/shopify_app/commit/a09ccc04b9556cbb31c6d56ed81aeb6b9b6c0756", "tags": ["x_refsource_MISC"], "url": "https://github.com/Shopify/shopify_app/commit/a09ccc04b9556cbb31c6d56ed81aeb6b9b6c0756"}, {"name": "https://github.com/Shopify/shopify_app/releases/tag/v23.0.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/Shopify/shopify_app/releases/tag/v23.0.3"}], "affected": [{"vendor": "Shopify", "product": "shopify_app", "versions": [{"version": ">= 22.1.0, < 23.0.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-30T22:49:47.431Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-6j52-38f8-qhxr", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "shopify_app", "vendor": "Shopify", "versions": [{"status": "affected", "version": ">= 22.1.0, < 23.0.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-63414", "lastModified": "2026-10-30T23:17:15.707", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-30T23:17:15.707", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Shopify/shopify_app/commit/a09ccc04b9556cbb31c6d56ed81aeb6b9b6c0756"}, {"source": "security-advisories@github.com", "url": "https://github.com/Shopify/shopify_app/pull/2081"}, {"source": "security-advisories@github.com", "url": "https://github.com/Shopify/shopify_app/releases/tag/v23.0.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/Shopify/shopify_app/security/advisories/GHSA-6j52-38f8-qhxr"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-31T00:30:14.795736+00:00", "updated": "2026-10-31T00:30:14.795754+00:00", "vendors": []}