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CVE-2025-31485— GraphQL grant on a property might be cached with different objects

Quick assessment

Affected
api-platform core
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

API Platform Core是API Platform开源的一个 API Platform 的服务器组件。 API Platform Core 4.0.21之前版本存在安全漏洞，该漏洞源于GraphQL授权可能缓存不同对象。

CVSS 7.5 · High EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-31485

Vulnerability Information
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Vulnerability Title
GraphQL grant on a property might be cached with different objects
Source: CVE Program / CVE List V5
Vulnerability Description
API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. Prior to 4.0.22 and 3.4.17, a GraphQL grant on a property might be cached with different objects. The ApiPlatform\GraphQl\Serializer\ItemNormalizer::isCacheKeySafe() method is meant to prevent the caching but the parent::normalize method that is called afterwards still creates the cache key and causes the issue. This vulnerability is fixed in 4.0.22 and 3.4.17.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不正确的行为次序
Source: CVE Program / CVE List V5
Vulnerability Title
API Platform Core 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
API Platform Core是API Platform开源的一个 API Platform 的服务器组件。 API Platform Core 4.0.21之前版本存在安全漏洞，该漏洞源于GraphQL授权可能缓存不同对象。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
api-platform core >= 4.0.0-alpha.1, < 4.0.22 -

II. Public POCs for CVE-2025-31485

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8395 chars
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III. Intelligence Information for CVE-2025-31485

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Same Patch Batch · api-platform · 2025-04-03 · 3 CVEs total

CVE-2025-31481 7.5 HIGH GraphQL query operations security can be bypassed
CVE-2023-47639 5.3 MEDIUM API Platform Core can leak exceptions message that may contain sensitive information

IV. Related Vulnerabilities

Same product: core
Same vendor: api-platform
Same weakness: CWE-696

V. Comments for CVE-2025-31485

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