PYSEC-2026-844 Matrix Synapse Authorization Error

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.powerlevels event in force...

Matrix Synapse Authorization Error

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.powerlevels event in force...

CVE-2018-12423

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.powerlevels event in force...

CVE-2018-12423

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.powerlevels event in force...

DEBIAN-CVE-2018-12423

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.powerlevels event in force...

Synapse Hijacking Vulnerability

Matrix is a set of open communication networks of which Synapse is a server implementation. There is a security vulnerability in Synapse. An attacker can exploit the vulnerability to hijack 'rooms' message channels...