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CVE-2026-109302— Parse Server 8.2.2 before 8.6.94 and 9.0.0 before 9.10.1-alpha.14 GraphQL Schema Disclosure via Persisted Queries

Quick assessment

Affected
parse-community parse-server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Parse Server 8.2.2 至 8.6.94 版本之前，以及 9.0.0 至 9.10.1-alpha.14 版本之前，其 GraphQL 自省（introspection）控制机制仅对通过请求直接发送的操作文本生效，而未对从 Apollo Server 的自动持久查询缓存中解析出的操作生效。未认证的攻击者只要持有公开的 Application Id 和客户端密钥，即可重放之前由主密钥（master key）或维护密钥客户端缓存的自省查询，从而获取 GraphQL 模式信息，包括私有类和字段名称。

CVSS 3.7 · Low EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1087 · Account Discovery

Affected Version Matrix 4

VendorProduct Version RangeStatus
parse-community parse-server 9.0.0< 9.10.1-alpha.14 affected
9.10.1-alpha.14 unaffected
8.2.2< 8.6.94 affected
8.6.94 unaffected
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I. Basic Information for CVE-2026-109302

Vulnerability Information
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Vulnerability Title
Parse Server 8.2.2 before 8.6.94 and 9.0.0 before 9.10.1-alpha.14 GraphQL Schema Disclosure via Persisted Queries
Source: CVE Program / CVE List V5
Vulnerability Description
Parse Server 8.2.2 before 8.6.94 and 9.0.0 before 9.10.1-alpha.14 applies its GraphQL introspection control only to operation text sent directly with a request, not to operations resolved from Apollo Server's automatic persisted query cache. Unauthenticated attackers holding the public Application Id and client key can replay an introspection query previously cached by a master or maintenance key client to retrieve the schema, including private class and field names.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
parse-community parse-server 9.0.0 ~ 9.10.1-alpha.14 -
parse-community parse-server 8.2.2 ~ 8.6.94 -

II. Public POCs for CVE-2026-109302

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III. Intelligence Information for CVE-2026-109302

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Vendor Advisories for CVE-2026-109302 (2)

Same Patch Batch · parse-community · 2026-10-12 · 3 CVEs total

CVE-2026-109301 5.9 MEDIUM Parse Server before 8.6.95 and 9.0.0 before 9.10.2-alpha.3 Denial of Service via File Poin
CVE-2026-109303 4.3 MEDIUM Parse Server before 8.6.93 and 9.0.0 before 9.10.1-alpha.13 protectedFields Bypass via Rel

IV. Related Vulnerabilities

Same product: parse-server
Same vendor: parse-community
Same weakness: CWE-863

V. Comments for CVE-2026-109302

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