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Vulnerabilities CVE-2026-41585

CVE-2026-41585

Medium
Open
TLP:CLEAR

ZEBRA: Denial of Service via Interrupted JSON-RPC Requests from Authenticated Clients

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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.

Details

CVSS Score
6.9
EPSS Score
0.26%

17.6th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
Confidence
90%
Published
May 8, 2026
Last Modified
May 8, 2026
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