Vulnerability · Published May 8, 2026 · Assigned by GitHub_M

CVE-2026-41585ZEBRA: Denial of Service via Interrupted JSON-RPC Requests from Authenticated Clients

Medium 6.9

In plain English

A medium-severity security flaw in zebra from ZcashFoundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 4.0)6.9Medium

Exploit odds (30 days)0.3%top 82.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
ZcashFoundation	zebra	zebra-rpc >= 1.0.0-beta.45, < 6.0.2zebrad >= 2.2.0, < 4.3.1

Weakness: CWE-248, CWE-617 · 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

References

https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-29x4-r6jv-ff4w x_refsource_CONFIRM