**Matrix.org** @[email protected] · Nov 19, 2021, 10:03

**Matrix.org** @[email protected] · Nov 19, 2021, 10:03

Matrix.org @[email protected]

We found a high severity vulnerability in Synapse and plan to release a fix in Synapse 1.47.1 on Tuesday 23rd November.

If you run a Synapse instance, please be prepared to upgrade as soon as the patched version is released.

**Matrix.org** @[email protected] · 2021-11-19T10:03:33Z

Matrix.org @[email protected]

**Lars** @[email protected] · Nov 19, 2021, 17:19

**Lars** @[email protected] · Nov 19, 2021, 17:19

Lars @[email protected]

@matrix Are earlier versions than 1.47.0 affected as well?

**AwesomeSheep48** @[email protected] · Nov 19, 2021, 19:22

**AwesomeSheep48** @[email protected] · Nov 19, 2021, 19:22

AwesomeSheep48 @[email protected]

@koyax @matrix Pretty sure, I'd update to be safe.