CVE-2023-36475 Parse Server vulnerable to remote code execution via MongoDB BSON parser through prototype pollution
An attacker can achieve remote code execution in Parse Server by exploiting prototype pollution in the MongoDB BSON parser.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-36475?
CVE-2023-36475 is a critical code injection vulnerability in Parseplatform Parse-Server, published on 28 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 5.5.2 and 6.2.1, an attacker can use a prototype pollution sink to trigger a remote code execution through the MongoDB BSON parser. A patch is available in versions 5.5.2 and 6.2.1.
Weakness: CWE-1321
Which versions are affected by CVE-2023-36475?
5 open source packages ship an affected version, including parse-server and parse. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
parse-server npm | All versions | 5.5.2 |
parse-server npm | All versions | 5.5.2 |
parse-server npm | From 6.0.0 | 6.2.1 |
parse-server npm | From 6.0.0 | 6.2.1 |
parse Bitnami | All versions | 5.5.2, 6.2.1 |
Products include Parseplatform Parse-Server.
How do I fix CVE-2023-36475?
Upgrade parse-server to a fixed version for your release line: 5.5.2 or 6.2.1.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-36475 being exploited?
There is no known exploitation of CVE-2023-36475 in the wild and no public exploit code.
Other vulnerabilities in Parseplatform Parse-Server
- CVE-2026-30966 Parse Server role escalation and CLP bypass via direct `_Join` table write
- CVE-2024-27298 Parse Server literalizeRegexPart SQL Injection
- CVE-2022-24760 Command Injection in Parse server
- CVE-2026-30965 Parse Server session token exfiltration via `redirectClassNameForKey` query parameter
- CVE-2022-39396 Parse Server vulnerable to Remote Code Execution via prototype pollution in MongoDB BSON parser
Sources
Also known as BIT-parse-2023-36475, GHSA-462x-c3jw-7vr6.