# \#security-council
**URL:** https://forum.scroll.io/tag/security-council/22.md
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## [Report: Scroll Mainnet Emergency Upgrade on 2026-02-23](https://forum.scroll.io/t/report-scroll-mainnet-emergency-upgrade-on-2026-02-23/1412)
**Author:** [@thegaram33](https://forum.scroll.io/u/thegaram33)\
**Replies:** 1\
**Last updated:** [March 9, 2026, 12:30pm UTC](https://forum.scroll.io/t/report-scroll-mainnet-emergency-upgrade-on-2026-02-23/1412 "2026-03-09T12:30:17Z")
Authors: The Scroll Security Council. Overview In mid-February 2026, the Scroll team received a bug bounty report about the zkvm-prover repository. A fix was implemented by the Scroll team and deployed on mainnet by the…
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## [\[Security Council Report\] Scroll Mainnet Emergency Upgrade on 2025-08-08](https://forum.scroll.io/t/security-council-report-scroll-mainnet-emergency-upgrade-on-2025-08-08/1089)
**Author:** [@haichen](https://forum.scroll.io/u/haichen)\
**Replies:** 0\
**Last updated:** [August 19, 2025, 9:57pm UTC](https://forum.scroll.io/t/security-council-report-scroll-mainnet-emergency-upgrade-on-2025-08-08/1089 "2025-08-19T21:57:24Z")
Authors: The Scroll Security Council. Overview On 8th August 2025, the Scroll team received alerts of proving failure. The root cause turned out to be a guest program completeness bug in the EuclidV2 version of the prov…
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## [Report: Scroll Mainnet Emergency Upgrade on 2025-04-25](https://forum.scroll.io/t/report-scroll-mainnet-emergency-upgrade-on-2025-04-25/666)
**Author:** [@haichen](https://forum.scroll.io/u/haichen)\
**Replies:** 0\
**Last updated:** [May 2, 2025, 5:12pm UTC](https://forum.scroll.io/t/report-scroll-mainnet-emergency-upgrade-on-2025-04-25/666 "2025-05-02T17:12:58Z")
Authors: Scroll Security Council Overview On April 25, the Scroll Security Council performed an emergency upgrade to the Scroll mainnet, to address two bugs discovered in the OpenVM circuit and bridge contract: A sou…
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## [Security Council Report: Scroll Mainnet Emergency Upgrade on 2025-05-26](https://forum.scroll.io/t/security-council-report-scroll-mainnet-emergency-upgrade-on-2025-05-26/810)
**Author:** [@haichen](https://forum.scroll.io/u/haichen)\
**Replies:** 0\
**Last updated:** [June 3, 2025, 2:47am UTC](https://forum.scroll.io/t/security-council-report-scroll-mainnet-emergency-upgrade-on-2025-05-26/810 "2025-06-03T02:47:23Z")
Authors: The Scroll Security Council Overview On May 26, the Scroll Security Council performed an emergency upgrade to the Scroll mainnet to address a bug discovered in one of the dependencies of the OpenVM prover. Scr…