CVE-2026-44497 - Vulnerability Analysis
CriticalCVSS: 9.1Last Updated: May 8, 2026
ZEBRA - Broken Consensus
Published: May 8, 2026Updated: May 8, 2026Remote Exploitable
Overview
ZEBRA prior to zebrad 4.4.0 and zebra-script 6.0.0 contains a broken consensus caused by insufficient error handling of invalid sighash types during sighash computation, letting attackers cause consensus splits, exploit requires crafted invalid sighash input.
Severity & Score
Severity: Critical
CVSS Score: 9.1
Impact
Attackers can cause consensus splits between Zebra and zcashd nodes, potentially disrupting network consensus and reliability.
Mitigation
Update to zebrad version 4.4.0 and zebra-script version 6.0.0 or later.
Related Resources
Details
- CVE ID
- CVE-2026-44497
- Severity
- Critical
- CVSS Score
- 9.1
- Type
- undefined
- Status
- confirmed
CWE
- CWE-347
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H