https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-05T15:31:38.789060+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2025-30355 CVE-2025-30355 — Synapse vulnerable to federation denial of service via malformed events 2026-10-05T15:31:38.791259+00:00

Affected: element-hq synapse

Synapse is an open source Matrix homeserver implementation. A malicious server can craft events which, when received, prevent Synapse version up to 1.127.0 from federating with other servers. The vulnerability has been exploited in the wild and has been fixed in Synapse v1.127.1. No known workarounds are available.