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I. Basic Information for CVE-2026-31856
Vulnerability Information

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Vulnerability Title
Parse Server has a SQL injection via `Increment` operation on nested object field in PostgreSQL
Source: NVD (National Vulnerability Database)
Vulnerability Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. A SQL injection vulnerability exists in the PostgreSQL storage adapter when processing Increment operations on nested object fields using dot notation (e.g., stats.counter). The amount value is interpolated directly into the SQL query without parameterization or type validation. An attacker who can send write requests to the Parse Server REST API can inject arbitrary SQL subqueries to read any data from the database, bypassing CLPs and ACLs. MongoDB deployments are not affected. This vulnerability is fixed in 9.6.0-alpha.3 and 8.6.29.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Parse Server SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Parse Server是Parse Platform开源的一个开源后端,可以部署到任何可以运行 Node.js 的基础设施。 Parse Server 9.6.0-alpha.3之前版本和8.6.29之前版本存在SQL注入漏洞,该漏洞源于PostgreSQL存储适配器对Increment操作处理不当,可能导致SQL注入攻击。
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
VendorProductAffected VersionsCPESubscribe
parse-communityparse-server >= 9.0.0 < 9.6.0-alpha.3 -
II. Public POCs for CVE-2026-31856
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III. Intelligence Information for CVE-2026-31856
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