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BIT-parse-2026-31856 — Parse Server has a SQL injection via `Increment` operation on nested object field in PostgreSQL

Affected: Bitnami: parse

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 and 8.6.29.

EUVD-2026-275905

fkie_cve-2026-31856

GHSA-q3vj-96h2-gwvg — Parse Server vulnerable to SQL injection via `Increment` operation on nested object field in PostgreSQL

Affected: npm: parse-server

### 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 `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.

### Patches

The fix adds type validation to reject non-number values and parameterizes the value in the SQL query instead of interpolating it.

### Workarounds

There is no known workaround.

### References

- GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-q3vj-96h2-gwvg - Fix Parse Server 9: https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.3 - Fix Parse Server 8: https://github.com/parse-community/parse-server/releases/tag/8.6.29