Release Tue, Jul 28, 2026 1 min read

Matrix Synapse 1.157.2

Original release notes

Synapse 1.157.2 (2026-07-28)

This security release addresses several vulnerabilities.

Please upgrade when you can, particularly if your homeserver participates in open federation and/or has untrusted local users.

Security Fixes

High severity:

Moderate severity:

Low severity:

Fix ELEMENTSEC-2026-1703
Fix ELEMENTSEC-2026-1760