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Description

ZEBRA is a Zcash node written entirely in Rust. From zebrad versions 2.2.0 to before 4.3.1 and from zebra-rpc versions 1.0.0-beta.45 to before 6.0.2, a vulnerability in Zebra's JSON-RPC HTTP middleware allows an authenticated RPC client to cause a Zebra node to crash by disconnecting before the request body is fully received. The node treats the failure to read the HTTP request body as an unrecoverable error and aborts the process instead of returning an error response. This issue has been patched in zebrad version 4.3.1 and zebra-rpc version 6.0.2.

PUBLISHED Reserved 2026-04-21 | Published 2026-05-08 | Updated 2026-05-08 | Assigner GitHub_M




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Problem types

CWE-248: Uncaught Exception

CWE-617: Reachable Assertion

Product status

zebra-rpc >= 1.0.0-beta.45, < 6.0.2
affected

zebrad >= 2.2.0, < 4.3.1
affected

References

github.com/.../zebra/security/advisories/GHSA-29x4-r6jv-ff4w

cve.org (CVE-2026-41585)

nvd.nist.gov (CVE-2026-41585)

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