Parse Server vulnerable to SQL Injection via dot-notation sub-key name in `Increment` operation on PostgreSQL

緊急 9.8CVE-2026-31871 · BIT-parse-2026-31871 · GHSA-gqpp-xgvh-9h7h · 11/03/2026 公開 · 17/06/2026 更新

要点

CVE-2026-31871 は parse-server (parseplatform), parse-server に影響する深刻度「緊急」 (CVSS 9.8) の脆弱性です。
今後30日間に悪用される確率（EPSS）：0.43%（全脆弱性の 37.8% より高い）。
対処：9.6.0, 8.6.31, 9.6.0-alpha.5 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
parse-server parseplatform	`= 9.6.0≥ 9.0.0, < 9.6.0< 8.6.31`	`9.6.08.6.31`
parse-server npm	`≥ 9.0.0-alpha.1, < 9.6.0-alpha.5< 8.6.31`	`9.6.0-alpha.58.6.31`

概要

Impact

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 sub-key name is interpolated directly into SQL string literals without escaping. An attacker who can send write requests to the Parse Server REST API can inject arbitrary SQL via a crafted sub-key name containing single quotes, potentially executing commands or reading data from the database, bypassing CLPs and ACLs.

Only Postgres deployments are affected.

Patches

The fix escapes single quotes in the sub-key name before interpolating it into the SQL query, preventing breakout from SQL string literals.

Workarounds

There is no known workaround.

References

GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-gqpp-xgvh-9h7h
Fix Parse Server 9: https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.5
Fix Parse Server 8: https://github.com/parse-community/parse-server/releases/tag/8.6.31

NVD の説明

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.5 and 8.6.31, 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 sub-key name is interpolated directly into SQL string literals without escaping. An attacker who can send write requests to the Parse Server REST API can inject arbitrary SQL via a crafted sub-key name containing single quotes, potentially executing commands or reading data from the database, bypassing CLPs and ACLs. Only Postgres deployments are affected. This vulnerability is fixed in 9.6.0-alpha.5 and 8.6.31.