# Liveness Vulnerability Found: A Patched Mumbai Proposal Is Available **URL:** https://forum.tezosagora.org/t/liveness-vulnerability-found-a-patched-mumbai-proposal-is-available/5188 **Category:** Research and Development **Created:** [March 7, 2023, 5:31pm UTC](https://forum.tezosagora.org/t/liveness-vulnerability-found-a-patched-mumbai-proposal-is-available/5188 "2023-03-07T17:31:10Z") **Posts on this page:** 1 **Showing post:** 2
### Author: ![NomadicLabs](https://forum.tezosagora.org/user_avatar/forum.tezosagora.org/nomadiclabs/32/763_2.png) [@NomadicLabs](https://forum.tezosagora.org/u/NomadicLabs) #### Post date: [June 16, 2023, 3:59pm UTC](https://forum.tezosagora.org/t/liveness-vulnerability-found-a-patched-mumbai-proposal-is-available/5188/2 "2023-06-16T15:59:42Z")
Incident Report available: > [@Incident Report: Mumbai 2 user-activated protocol override](https://forum.tezosagora.org/t/incident-report-mumbai-2-user-activated-protocol-override/5466): > > TL;DR The updated Mumbai upgrade proposal, Mumbai 2, patched a vulnerability that could potentially halt block production on the Tezos network. No funds were at risk. On March 7th 2023, [we announced Mumbai 2](https://research-development.nomadic-labs.com/mumbai2-announcement.html), a patched version of the Mumbai protocol proposal addressing a liveness vulnerability witnessed on the Ghostnet test network. In this report, we revisit the events as they occurred and the decisions taken in response to this incident. But first, we provide a short summary: An “inconsiste… and also on our blog: > **[Incident Report: Mumbai 2 user-activated protocol override](https://research-development.nomadic-labs.com/Mumbai2-incident-report.html)** > > The updated Mumbai upgrade proposal, Mumbai 2, patched a vulnerability that could potentially halt block production on the Tezos network. No funds were at risk. --- _[View the full topic](https://forum.tezosagora.org/t/liveness-vulnerability-found-a-patched-mumbai-proposal-is-available/5188)._