Improper Verification of Cryptographic Signature Affecting zebra-script package, versions <6.0.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-RUST-ZEBRASCRIPT-16624651
- published10 May 2026
- disclosed8 May 2026
- creditsangsoo-osec
Introduced: 8 May 2026
NewCVE-2026-44497 (opens in a new tab)How to fix?
Upgrade zebra-script to version 6.0.0 or higher.
Overview
Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the sighash computation process. An attacker can cause consensus divergence between nodes by submitting transactions with invalid sighash types, potentially leading to network splits or inconsistent transaction validation.