Element Security Vulnerabilities (CVE)
Explore vulnerabilities and security advisories affecting Element products.
2 known CVE vulnerabilities tracked
Critical
0
High
0
Medium
1
Low
1
None
0
Vulnerabilities By Year
Products Affected
All Element CVEs
CVE-2026-45078
5.5
medium
Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, local authenticated users can cause Synapse to starve other requests of CPU and lead to other requests failing, causing other users to be denied service. This vulnerability is fixed in 1.152.1.
Synapse
May 28, 2026
CVE-2026-45076
2.7
low
Synapse is an open source Matrix homeserver implementation. Prior to 1.152.1, in federated rooms, malicious homeservers can craft room events in such a way that prevents Synapse from providing full history to paginating clients. Clients could therefore fail to display room history. This vulnerabilit
Synapse
May 28, 2026