EUVD-2026-41129

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

Use of Cache Containing Sensitive Information

Overview Affected versions of this package are vulnerable to Use of Cache Containing Sensitive Information in the componentsCache process of the JSON:API and HAL item normalizers. An attacker can access attributes intended to be hidden from their user context by making requests that trigger cache...

CVE-2026-49858 API Platform Core: Cross-user attribute leak in JSON:API and HAL item normalizers due to missing isCacheKeySafe gate

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. In versions from 2.6.0 prior to 4.1.29, 4.2.26, and 4.3.12, a missing isCacheKeySafe gate in the JSON:API and HAL item normalizers causes a cross-user attribute leak. ApiPropertysecurity: ... is evaluated per request...

CVE-2026-49858

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. In versions from 2.6.0 prior to 4.1.29, 4.2.26, and 4.3.12, a missing isCacheKeySafe gate in the JSON:API and HAL item normalizers causes a cross-user attribute leak. ApiPropertysecurity: ... is evaluated per request...

CVE-2026-49858

API Platform Core contains a cross-user attribute leak in JSON:API and HAL item normalizers due to a missing isCacheKeySafe gate. Affected versions: 2.6.0 up to 4.1.28, 4.2.25, and 4.3.11 (i.e., before 4.1.29, 4.2.26, 4.3.12). Root cause: componentsCache arrays are keyed on $context['cache_key'] ...

CVE-2026-49858 API Platform Core: Cross-user attribute leak in JSON:API and HAL item normalizers due to missing isCacheKeySafe gate

API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. In versions from 2.6.0 prior to 4.1.29, 4.2.26, and 4.3.12, a missing isCacheKeySafe gate in the JSON:API and HAL item normalizers causes a cross-user attribute leak. ApiPropertysecurity: ... is evaluated per request...

PT-2026-46233

Name of the Vulnerable Software and Affected Versions API Platform Core versions 2.6.0 through 4.1.28 API Platform Core versions 4.2.0 through 4.2.25 API Platform Core versions 4.3.0 through 4.3.11 Description A missing isCacheKeySafe gate in the JSON:API and HAL item normalizers leads to a...