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CVE-2025-27157

nvd nist
Published: Feb 27, 2025Modified: Jun 17, 2026

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5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Exploitability: 3.9 / Impact: 1.4
Source: NVD

Description

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 (2)

Joinmastodon
1 product
Mastodon
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Joinmastodon
Mastodon
From 4.2.0 to 4.2.16
Mastodon
From 4.3.0 to 4.3.4

Related CWEs

CWE-770
Allocation of Resources Without Limits or Throttling
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References (2)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Vendor Advisory

Timeline

No history available yet.