cvedb.io
CVE-2026-54164
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2026-07-01T20:17:10.657 · Last modified 2026-07-02T17:54:15.243

Summary

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. In versions prior to 4.1.30, 4.2.26 and 4.3.12, the serializer's AbstractItemNormalizer does not validate the resource type returned when resolving relation IRIs, allowing type confusion where a resource of an unintended type can be silently assigned to a relation property. An attacker who can submit write requests (POST/PUT/PATCH) to an API Platform endpoint with writable relations can supply a relation IRI pointing to a resource of a different type than the relation's declared class. Because getResourceFromIri() does not pass an $operation to IriConverter::getResourceFromIri(), the is_a type guard at IriConverter.php:86 is skipped. For untyped relation properties (legacy @var-only style), the wrong-typed obj

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.