[MEDIUM] API Platform Core: Relation IRIs are not type-checked: a related resource can be denormalised as the wrong resource type (type confusion)

PKSA-8kfs-m8zw-ggzs CVE-2026-54164 GHSA-9rjg-x2p2-h68h

Affected version: >=4.3.0,<4.3.12|>=4.2.0,<4.2.26|<4.1.30

Reported by:
GitHub

[MEDIUM] API Platform Core vulnerable to cross-user attribute leak in JSON:API and HAL item normalizers due to missing isCacheKeySafe gate

PKSA-3ncz-km6v-5vjr CVE-2026-49858 GHSA-pjhx-3c3w-9v23

Affected version: >=4.3.0,<4.3.8|>=4.2.0,<4.2.25|>=2.6.0,<4.1.29

Reported by:
GitHub