CVE-2025-27157
CVSS 3.1 Score 5.3 of 10 (medium)
Details
Published Feb 27, 2025
CWE ID 770
Summary
CVE-2025-27157 is a vulnerability affecting Mastodon, a self-hosted microblogging platform. In versions 4.2.0 and prior to 4.2.16 and 4.3.4, there is a lack of rate limits on the `/auth/setup` endpoint. This issue enables attackers to send emails to arbitrary addresses by crafting malicious requests. Versions 4.2.16 and 4.3.4 have been released to address this vulnerability.
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Affected Products
- Mastodon
Affected Vendors
- Mastodon gGmbH