Mastodon is a free, open-source social network server based on ActivityPub. In versions before 4.4.6, 4.3.14, and 4.2.27, disabling or suspending a user account does not disconnect the account from the streaming API. This allows disabled or suspended accounts to continue receiving real-time updates through existing streaming connections and to establish new streaming connections, even though they cannot interact with other API endpoints. This undermines moderation actions, as administrators expect disabled or suspended accounts to be fully disconnected from the service. This issue has been patched in versions 4.4.6, 4.3.14, and 4.2.27. No known workarounds exist.
History

Mon, 20 Oct 2025 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Joinmastodon
Joinmastodon mastodon
CPEs cpe:2.3:a:joinmastodon:mastodon:*:*:*:*:*:*:*:*
Vendors & Products Joinmastodon
Joinmastodon mastodon

Tue, 14 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 13 Oct 2025 21:15:00 +0000

Type Values Removed Values Added
Description Mastodon is a free, open-source social network server based on ActivityPub. In versions before 4.4.6, 4.3.14, and 4.2.27, disabling or suspending a user account does not disconnect the account from the streaming API. This allows disabled or suspended accounts to continue receiving real-time updates through existing streaming connections and to establish new streaming connections, even though they cannot interact with other API endpoints. This undermines moderation actions, as administrators expect disabled or suspended accounts to be fully disconnected from the service. This issue has been patched in versions 4.4.6, 4.3.14, and 4.2.27. No known workarounds exist.
Title Mastodon streaming API fails to disconnect disabled and suspended users
Weaknesses CWE-273
CWE-274
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-10-13T20:59:31.260Z

Updated: 2025-10-14T13:58:02.806Z

Reserved: 2025-10-07T16:12:03.426Z

Link: CVE-2025-62175

cve-icon Vulnrichment

Updated: 2025-10-14T13:57:23.812Z

cve-icon NVD

Status : Analyzed

Published: 2025-10-13T21:15:34.930

Modified: 2025-10-20T17:19:58.210

Link: CVE-2025-62175

cve-icon Redhat

No data.