kaleido-besu-v26.2.0
Release notes for the main Besu releases since v25.8.0:
- https://github.com/hyperledger/besu/blob/25.9.0/CHANGELOG.md
- https://github.com/hyperledger/besu/blob/25.10.0/CHANGELOG.md
- https://github.com/hyperledger/besu/blob/25.11.0/CHANGELOG.md
- https://github.com/hyperledger/besu/blob/25.12.0/CHANGELOG.md
- https://github.com/hyperledger/besu/blob/26.1.0/CHANGELOG.md
Commit in Kaleido's fork:
Kaleido-specific additions to Besu v26.2.0:
Noteworthy enhancements and changes since v25.8.0:
-
Noteworthy new features:
- Support for the Prague fork (set with pragueTime in the genesis file or EIP block config when creating a new chain in the Kaleido Platform)
- This fork introduces support for new EIP 7702 "Type 4" transactions
- Support for the Fusaka fork
- EVM performance enhancements for multiple EVM op-codes
-
Noteworthy bug fixes:
- Fix to BFT block period transitions when running on shanghai fork or later
- Fix for IBFT2 -> QBFT migration in certain scenarios
-
Noteworthy removals or changes
- Removal of
--sync-mode=FAST- Nodes configured with FAST sync must switch to FULL or SNAP
- Nodes attempting to start with --sync-mode=FAST will fail with an error
- Removal of
High and critical CVEs fixed :
- https://nvd.nist.gov/vuln/detail/CVE-2025-61726
- https://nvd.nist.gov/vuln/detail/CVE-2025-58183
- https://nvd.nist.gov/vuln/detail/CVE-2025-61726
- https://nvd.nist.gov/vuln/detail/CVE-2025-61728
- https://nvd.nist.gov/vuln/detail/CVE-2025-61729
- https://nvd.nist.gov/vuln/detail/CVE-2025-67030
- https://nvd.nist.gov/vuln/detail/CVE-2025-68121
- https://nvd.nist.gov/vuln/detail/CVE-2025-68973
- https://nvd.nist.gov/vuln/detail/CVE-2026-25679
- https://nvd.nist.gov/vuln/detail/CVE-2026-32280
- https://nvd.nist.gov/vuln/detail/CVE-2026-32281
- https://nvd.nist.gov/vuln/detail/CVE-2026-32283
- https://nvd.nist.gov/vuln/detail/CVE-2026-33870
- https://nvd.nist.gov/vuln/detail/CVE-2026-33871