---
title: "Discussion on \"MongoDB CVE-2026-118383: Pre-Auth Flaw Hits on Failover\" | Hashnode"
description: "Discussion on \"MongoDB CVE-2026-118383: Pre-Auth Flaw Hits on Failover\". An unauthenticated attacker can send two requests to a MongoDB Server replica set member that trigger a crash on the database server. The crash happens only if that server is later chosen to take over"
url: "https://hashnode.com/posts/rapid-mongodb-cve-2026-118383-pre-auth-flaw-hits-on-failover/6af658bfdfd10c303b1ff6a1"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [MongoDB CVE-2026-118383: Pre-Auth Flaw Hits on Failover](https://404-founders.com/blog/rapid-mongodb-cve-2026-118383-pre-auth-flaw-hits-on-failover?utm_source=hashnode&utm_medium=feed)

An unauthenticated attacker can send two requests to a MongoDB Server replica set member that trigger a crash on the database server. The crash happens only if that server is later chosen to take over

11h ago · 3 min read · 404-founders.com  
Read the article

-   [#cybersecurity](https://hashnode.com/tag/cybersecurity)
-   [#vulnerability](https://hashnode.com/tag/vulnerability)

## Written by

[404 Founders](https://hashnode.com/@404-founders)

@404-founders · Bosnia and Herzegovina, Estonia

  
[View profile](https://hashnode.com/@404-founders)

Error-proof Cyber Solutions

Securing the digital frontier. Error-proof cyber solutions.

## Responses

Markdown supported · ⌘↵ to post

No responses yet.