CVE-2024-53867 — Synapse Matrix has a partial room state leak via Sliding Sync
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 i…
Published: 2024-12-03 · CVSS: 4.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7