ZEBRA: rk Identity Point Panic in Transaction Verification_CVE-2026-41584

9.2 / 10

CRITICAL

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

Description

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.1 and prior to zebra-chain version 6.0.2, Orchard transactions contain a rk field which is a randomized validating key and also an elliptic curve point. The Zcash specification allows the field to be the identity (a "zero" value), however, the orchard crate which is used to verify Orchard proofs would panic when fed a rk with the identity value. Thus an attacker could send a crafted transaction that would make a Zebra node crash. This issue has been patched in zebrad version 4.3.1 and zebra-chain version 6.0.2.

AI Analysis

Zebra node crash via crafted Orchard transaction

Basic Information

ID CVE-2026-41584

Source GitHub_M

Published May 8, 2026 at 15:05

Affected Product

Vendor ZcashFoundation

Product zebra

Version zebra-chain < 6.0.2

Affected Versions ZcashFoundation zebra zebra-chain < 6.0.2
ZcashFoundation zebra zebrad < 4.3.1

CWE Classification

CWE-617

AI Assessment

AI Score 9.2 / 10

AI Severity Critical

Vendor ZcashFoundation

Product Zebra

Version zebrad < 4.3.1, zebra-chain < 6.0.2

References

github.com /ZcashFoundation/zebra/security/advisories/GHSA-452v-w3gx-72wg

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    "published": "2026-05-08T15:05:06.070Z",
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