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CVE-2026-120310— Parse Server before 8.6.109 and 9.0.0 before 9.10.6-alpha.1 Information Disclosure via Object Update Response

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.

在 Parse Server 8.6.109 之前以及 9.0.0 至 9.10.6-alpha.1 之前的版本中，当处理对象更新请求时，服务器会在响应中返回已存储的字段值，而未验证客户端是否具备读取权限。因此，若某客户端的类级权限或对象访问控制列表（ACL）允许更新但不允许读取，该客户端仍可看到对象的完整数据。 攻击者可利用此漏洞更新此类对象，从而获取原子操作（如 Increment、Add、AddUnique、Remove）的执行结果、Cloud Code 触发器设置的值，以及在特定条件下通过点表示法（dot

CVSS 3.1 · Low
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I. Basic Information for CVE-2026-120310

Vulnerability Information
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Vulnerability Title
Parse Server before 8.6.109 and 9.0.0 before 9.10.6-alpha.1 Information Disclosure via Object Update Response
Source: CVE Program / CVE List V5
Vulnerability Description
Parse Server before 8.6.109 and 9.0.0 before 9.10.6-alpha.1 returns stored field values in object update responses without checking read access, so clients whose class-level permissions or object ACLs allow update but not read can see object data. Attackers can update such objects to read atomic operation results (Increment, Add, AddUnique, Remove), Cloud Code trigger-set values, and, for dot notation keys under certain conditions, the whole stored parent field.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
parse-community parse-server 9.0.0 ~ 9.10.6-alpha.1 -
parse-community parse-server 0 ~ 8.6.109 -

II. Public POCs for CVE-2026-120310

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III. Intelligence Information for CVE-2026-120310

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Other References for CVE-2026-120310 (2)

IV. Related Vulnerabilities

Same product: parse-server
Same vendor: parse-community
Same weakness: CWE-200