← Database

CVE-2024-53867

MEDIUM CVSS: 4.3 Published: 2024-12-03 Modified: 2026-06-17

Description

Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1.

Affected Platforms

Unknown

Weakness Type

CWE-497

References