cve/2024/CVE-2024-37903.md

### [CVE-2024-37903](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-37903)
![](https://img.shields.io/static/v1?label=Product&message=mastodon&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3E%3D%202.6.0%2C%20%3C%204.1.18%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3E%3D%204.2.0%2C%20%3C%204.2.10%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=2.6.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=4.2.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-862%3A%20Missing%20Authorization&color=brightgreen)

### Description

Mastodon is a self-hosted, federated microblogging platform. Starting in version 2.6.0 and prior to versions 4.1.18 and 4.2.10, by crafting specific activities, an attacker can extend the audience of a post they do not own to other Mastodon users on a target server, thus gaining access to the contents of a post not intended for them. Versions 4.1.18 and 4.2.10 contain a patch for this issue.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds