CVE-2025-62174 Mastodon allows continued access after password reset via CLI

Low 3.5 Published Updated

Attackers with existing sessions can retain account access after an admin resets the password via CLI, bypassing session revocation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-62174?

CVE-2025-62174 is a low-severity vulnerability in mastodon, published on 13 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Mastodon is a free, open-source social network server based on ActivityPub. In Mastodon before 4.4.6, 4.3.14, and 4.2.27, when an administrator resets a user account's password via the command-line interface using `bin/tootctl accounts modify --reset-password`, active sessions and access tokens for that account are not revoked. This allows an attacker with access to a previously compromised session or token to continue using the account after the password has been reset. This issue has been patched in versions 4.2.27, 4.3.14, and 4.4.6. No known workarounds exist.

Weakness: CWE-613

Which versions are affected by CVE-2025-62174?

1 open source package ship an affected version, including mastodon. It affects 1 product.

PackageAffectedFixed in
mastodon BitnamiAll versions4.2.27, 4.3.14, 4.4.6

Products include Joinmastodon Mastodon.

How do I fix CVE-2025-62174?

Upgrade mastodon to a fixed version for your release line: 4.2.27, 4.3.14 or 4.4.6.

Is CVE-2025-62174 being exploited?

There is no known exploitation of CVE-2025-62174 in the wild and no public exploit code.

Sources

Also known as BIT-mastodon-2025-62174, GHSA-f3q3-rmf7-9655.

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