CVE Alert: CVE-2025-27157
Vulnerability Summary: CVE-2025-27157
Mastodon is a self-hosted, federated microblogging platform. Starting in version 4.2.0 and prior to versions 4.2.16 and 4.3.4, the rate limits are missing on `/auth/setup`. Without those rate limits, an attacker can craft requests that will send an email to an arbitrary addresses. Versions 4.2.16 and 4.3.4 fix the issue.
Affected Endpoints:
No affected endpoints listed.
Published Date:
2/27/2025, 5:15:16 PM
⚠️ CVSS Score:
Exploit Status:
Not ExploitedReferences:
- https://github.com/mastodon/mastodon/commit/06f879ce9bea195344ac9f71e6799eea500628ec
- https://github.com/mastodon/mastodon/security/advisories/GHSA-v39f-c9jj-8w7h
Recommended Action:
No proposed action available. Please refer to vendor documentation for updates.
A considerable amount of time and effort goes into maintaining this website, creating backend automation and creating new features and content for you to make actionable intelligence decisions. Everyone that supports the site helps enable new functionality.
If you like the site, please support us on “Patreon” or “Buy Me A Coffee” using the buttons below
To keep up to date follow us on the below channels.
