https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-05T19:44:29.924210+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/euvd-2026-59006 EUVD-2026-59006 2026-10-05T19:44:30.038519+00:00 EUVD-2026-59006 https://cve.radiocsirt.org/vuln/fkie_cve-2019-18835 fkie_cve-2019-18835 2026-10-05T19:44:30.038566+00:00

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.

 https://cve.radiocsirt.org/vuln/ghsa-cppw-2mf8-qpm5 GHSA-cppw-2mf8-qpm5 — Improper Verification of Cryptographic Signature in matrix-synapse 2026-10-05T19:44:30.038602+00:00

Affected: PyPI: matrix-synapse

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over `/send_join`, `/send_leave`, and `/invite` may not be correctly signed, or may not come from the expected servers.

 https://cve.radiocsirt.org/vuln/gsd-2019-18835 gsd-2019-18835 2026-10-05T19:44:30.038627+00:00 gsd-2019-18835 https://cve.radiocsirt.org/vuln/pysec-2019-186 PYSEC-2019-186 2026-10-05T19:44:30.038686+00:00

Affected: PyPI: matrix-synapse

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.

 https://cve.radiocsirt.org/vuln/ubuntu-cve-2019-18835 UBUNTU-CVE-2019-18835 2026-10-05T19:44:30.038707+00:00

Affected: Ubuntu:Pro:18.04:LTS: matrix-synapse

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.