Insufficient Session Expiration in Mastodon - CVE-2024-25619
Published: February 14, 2024 / Updated: April 23, 2026
Vulnerability identifier: #VU126970
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-25619
CWE-ID: CWE-613
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mastodon
Mastodon
Software vendor:
Mastodon
Mastodon
Description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to insufficient session expiration in the streaming server when processing streaming connections associated with destroyed OAuth applications. A remote user can use access tokens that were not invalidated in streaming to disclose sensitive information.
Exploitation was only possible through a user-created application on the user's own account.
Remediation
Install security update from vendor's website.