Is CVE-2026-34202 actively exploited?

No active exploitation of CVE-2026-34202 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-34202 be exploited remotely?

Yes. CVE-2026-34202 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-34202?

CVE-2026-34202 has a CVSS score of 9.2 (CRITICAL).

HOME VULNERABILITIESCVE-2026-34202

CRITICAL

CVE-2026-34202

CWE-94Published: March 31, 2026· Updated: Apr 1, 2026

9.2

CVSS v3.1

EPSS:0.19%probability of exploitation in 30 daysPercentile:40.6th

Official Description

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.0 and zebra-chain version 6.0.1, a vulnerability in Zebra's transaction processing logic allows a remote, unauthenticated attacker to cause a Zebra node to panic (crash). This is triggered by sending a specially crafted V5 transaction that passes initial deserialization but fails during transaction ID calculation. This issue has been patched in zebrad version 4.3.0 and zebra-chain version 6.0.1.

NVD Source

Technical Analysis

CVE-2026-34202 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X