CVE-2024-52815 — Synapse allows a a malformed invite to break the invitee's `/sync`
Synapse is an open-source Matrix homeserver. Synapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious se…
Published: 2024-12-03 · CVSS: 8.7 · CVSS 4.0
Synapse is an open-source Matrix homeserver. Synapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's /sync functionality. Synapse 1.120.1 rejects such invalid invites received over federation and restores the ability to sync for affected users.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7