CVE-2026-45078 — Synapse CPU starvation (Denial of Service)
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 reque…
Published: 2026-05-28 · CVSS: 6.8 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7