Access of Resource Using Incompatible Type ('Type Confusion') Affecting api-platform/core package, versions <4.1.30>=4.2.0-alpha.1, <4.2.26>=4.3.0-alpha.1, <4.3.12
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-APIPLATFORMCORE-17796417
- published2 Jul 2026
- disclosed1 Jul 2026
- creditalexandre-daubois
Introduced: 1 Jul 2026
NewCVE-2026-54164 (opens in a new tab)How to fix?
Upgrade api-platform/core to version 4.1.30, 4.2.26, 4.3.12 or higher.
Overview
api-platform/core is a builds a fully-featured hypermedia or GraphQL API in minutes.
Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type ('Type Confusion') through the getResourceFromIri process. An attacker can assign a resource of an unintended type to a relation property by submitting crafted write requests with relation IRIs pointing to resources of a different type than the declared class, potentially corrupting application invariants and affecting downstream logic.