Insufficient Verification of Data Authenticity Affecting zebrad package, versions <4.5.0
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Test your applications- Snyk IDSNYK-RUST-ZEBRAD-17808099
- published3 Jul 2026
- disclosed2 Jul 2026
- creditUnknown
Introduced: 2 Jul 2026
NewCVE-2026-52737 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade zebrad to version 4.5.0 or higher.
Overview
zebrad is a The Zcash Foundation's independent, consensus-compatible implementation of a Zcash node
Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity via the sync download process. An attacker can repeatedly stall node synchronization and degrade sync progress by sending specially crafted block inventory and block data over an unauthenticated P2P connection, causing global sync restarts and cancellation of all in-flight downloads.