From 2e1418a689df3679444df65c39875a82a8d045e9 Mon Sep 17 00:00:00 2001 From: Nic Volanschi Date: Mon, 20 Jul 2026 18:34:31 +0200 Subject: [PATCH 1/3] detail a bit the previous upgrade 6.5 --- docs/progress/upgrades.md | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/progress/upgrades.md b/docs/progress/upgrades.md index 9a0b969d..90c59d82 100644 --- a/docs/progress/upgrades.md +++ b/docs/progress/upgrades.md @@ -160,6 +160,7 @@ For more information, see [Announcing Etherlink 6.4: a security and liveness har ## Etherlink 6.5 The Etherlink 6.5 upgrade went live on 27 June 2026 through the fast kernel governance process and addressed a critical vulnerability that has been reported through the Tezos Foundation’s security bug bounty platform. +This vulnerability could allow an attacker to claim several times a deposit made via the FA bridge, under certain circumstances. For more information, see [Announcing Etherlink 6.5: a security bugfix for Farfadet](https://forum.tezosagora.org/t/announcing-etherlink-6-5-a-security-bugfix-for-farfadet/7120). From c5e164a80240313af8dd21a3962042f642b4c293 Mon Sep 17 00:00:00 2001 From: Nic Volanschi Date: Mon, 20 Jul 2026 18:34:57 +0200 Subject: [PATCH 2/3] introduce upgrade 6.6 --- docs/progress/upgrades.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/docs/progress/upgrades.md b/docs/progress/upgrades.md index 90c59d82..40099164 100644 --- a/docs/progress/upgrades.md +++ b/docs/progress/upgrades.md @@ -164,6 +164,12 @@ This vulnerability could allow an attacker to claim several times a deposit made For more information, see [Announcing Etherlink 6.5: a security bugfix for Farfadet](https://forum.tezosagora.org/t/announcing-etherlink-6-5-a-security-bugfix-for-farfadet/7120). +## Etherlink 6.6 + +The Etherlink 6.6 upgrade went live on 18 July 2026 through the fast kernel governance process and introduced a series of security and robustness improvements to the Etherlink kernel, further strengthening the network's reliability and resilience. + +For more information, see [Announcing Etherlink 6.6: a security hardening kernel upgrade proposal](https://forum.tezosagora.org/t/announcing-etherlink-6-6-a-security-hardening-kernel-upgrade-proposal/7137). + ## Changelog For full details about changes to Etherlink, see [Changelogs](/progress/changelogs). From 53b71d758fc81ea8d4513840bedac3b8c009965e Mon Sep 17 00:00:00 2001 From: Nic Volanschi Date: Tue, 21 Jul 2026 09:36:54 +0200 Subject: [PATCH 3/3] add few details about 6.6 --- docs/progress/upgrades.md | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/progress/upgrades.md b/docs/progress/upgrades.md index 40099164..99aa12aa 100644 --- a/docs/progress/upgrades.md +++ b/docs/progress/upgrades.md @@ -167,6 +167,7 @@ For more information, see [Announcing Etherlink 6.5: a security bugfix for Farfa ## Etherlink 6.6 The Etherlink 6.6 upgrade went live on 18 July 2026 through the fast kernel governance process and introduced a series of security and robustness improvements to the Etherlink kernel, further strengthening the network's reliability and resilience. +In particular, it contains three fixes hardening the sequencer upgrade (or change) and one fix of a liveness/DoS bug in the decoding of blueprints. For more information, see [Announcing Etherlink 6.6: a security hardening kernel upgrade proposal](https://forum.tezosagora.org/t/announcing-etherlink-6-6-a-security-hardening-kernel-upgrade-proposal/7137).