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Global malware → Financial Services, Cryptocurrency CRITICAL 49m Global general → Financial Services and E-commerce MEDIUM 52m Global data_breach → Social Media and Communications CRITICAL 1h Global general → Cybersecurity Operations HIGH 1h Global phishing → Technology and Consumer Services HIGH 1h Global data_breach → Multiple sectors HIGH 2h Global vulnerability → Government and Critical Infrastructure CRITICAL 2h Global vulnerability → Multiple sectors CRITICAL 2h Global apt → Financial Services, Government HIGH 2h Global insider → Cross-sector CRITICAL 3h Global malware → Financial Services, Cryptocurrency CRITICAL 49m Global general → Financial Services and E-commerce MEDIUM 52m Global data_breach → Social Media and Communications CRITICAL 1h Global general → Cybersecurity Operations HIGH 1h Global phishing → Technology and Consumer Services HIGH 1h Global data_breach → Multiple sectors HIGH 2h Global vulnerability → Government and Critical Infrastructure CRITICAL 2h Global vulnerability → Multiple sectors CRITICAL 2h Global apt → Financial Services, Government HIGH 2h Global insider → Cross-sector CRITICAL 3h Global malware → Financial Services, Cryptocurrency CRITICAL 49m Global general → Financial Services and E-commerce MEDIUM 52m Global data_breach → Social Media and Communications CRITICAL 1h Global general → Cybersecurity Operations HIGH 1h Global phishing → Technology and Consumer Services HIGH 1h Global data_breach → Multiple sectors HIGH 2h Global vulnerability → Government and Critical Infrastructure CRITICAL 2h Global vulnerability → Multiple sectors CRITICAL 2h Global apt → Financial Services, Government HIGH 2h Global insider → Cross-sector CRITICAL 3h

Vulnerabilities ›

CVE-2026-34377

High ⚡ Exploit Available

CWE-347 — Weakness Type

                    Published: Mar 31, 2026                      ·  Modified: Apr 7, 2026                      ·  Source: NVD                

CVSS v3

8.1

🔗 NVD Official

📄 Description (English)

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.0 and zebra-consensus version 5.0.1, a logic error in Zebra's transaction verification cache could allow a malicious miner to induce a consensus split. By matching a valid transaction's txid while providing invalid authorization data, a miner could cause vulnerable Zebra nodes to accept an invalid block, leading to a consensus split from the rest of the Zcash network. This would not allow invalid transactions to be accepted but could result in a consensus split between vulnerable Zebra nodes and invulnerable Zebra and Zcashd nodes. This issue has been patched in zebrad version 4.3.0 and zebra-consensus version 5.0.1.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 3

https://github.com/ZcashFoundation/zebra/releases/tag/v4.3.0

security-advisories@github.com

https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-3vmh-33xr-9cqh

security-advisories@github.com

Exploit Vendor Advisory

https://zfnd.org/zebra-4-3-0-critical-security-fixes-zip-235-support-and-performance-im...

security-advisories@github.com

Vendor Advisory

📦 Affected Products / CPE 2 entries

zfnd:zebra

zfnd:zebra-consensus

📊 CVSS Score

8.1

/ 10.0 — High

📊 CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredL — Low / Local

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityN — None / Network

IntegrityH — High

AvailabilityH — High

📋 Quick Facts

Severity High

CVSS Score8.1

CWECWE-347

EPSS0.02%

Exploit ✓ Yes

Patch ✗ No

Published 2026-03-31

Source Feed nvd

🏷️ Tags

exploit-available CWE-347

🏢 Vendor Advisories

🔗 https://github.com/ZcashFoundation/zebra/security/ad... 🔗 https://zfnd.org/zebra-4-3-0-critical-security-fixes...

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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