# Zfnd Zebrad vulnerabilities

Source: https://junglewise.ai/threats/technologies/zfnd-zebrad  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/zfnd-zebrad.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Zfnd Zebrad: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-44500, was published on 8 May 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (1 critical, 0 exploited in the wild)

## About Zfnd Zebrad

Consensus implementation for the Zcash blockchain written in Rust.

## Latest Zfnd Zebrad vulnerabilities

- [CVE-2026-44500: ZcashFoundation Zebra denial of service via allocation amplification](https://junglewise.ai/threats/cve-2026-44500-zcashfoundation-zebra-denial-of-service-via-allocation) (medium, CVSS 5.3, published 8 May 2026)
- [CVE-2026-41583: Zcash Foundation Zebra consensus divergence in sighash handling](https://junglewise.ai/threats/cve-2026-41583-zcash-foundation-zebra-consensus-divergence-in-sighash-handling) (critical, CVSS 9.1, published 8 May 2026)
- [CVE-2026-40881: Zcash Foundation Zebra resource exhaustion in addr message deserialization](https://junglewise.ai/threats/cve-2026-40881-zcash-foundation-zebra-resource-exhaustion-in-addr-message) (high, CVSS 7.5, published 21 Apr 2026)
- [CVE-2026-40880: Zebra: Cached Mempool Verification Bypasses Consensus Rules for Ahead-of-Tip Blocks](https://junglewise.ai/threats/cve-2026-40880-zebra-cached-mempool-verification-bypasses-consensus-rules-for) (high, CVSS 8.1, published 21 Apr 2026)

## Most severe Zfnd Zebrad vulnerabilities

- [CVE-2026-41583: Zcash Foundation Zebra consensus divergence in sighash handling](https://junglewise.ai/threats/cve-2026-41583-zcash-foundation-zebra-consensus-divergence-in-sighash-handling) (critical, CVSS 9.1, published 8 May 2026)
- [CVE-2026-40880: Zebra: Cached Mempool Verification Bypasses Consensus Rules for Ahead-of-Tip Blocks](https://junglewise.ai/threats/cve-2026-40880-zebra-cached-mempool-verification-bypasses-consensus-rules-for) (high, CVSS 8.1, published 21 Apr 2026)
- [CVE-2026-40881: Zcash Foundation Zebra resource exhaustion in addr message deserialization](https://junglewise.ai/threats/cve-2026-40881-zcash-foundation-zebra-resource-exhaustion-in-addr-message) (high, CVSS 7.5, published 21 Apr 2026)
- [CVE-2026-44500: ZcashFoundation Zebra denial of service via allocation amplification](https://junglewise.ai/threats/cve-2026-44500-zcashfoundation-zebra-denial-of-service-via-allocation) (medium, CVSS 5.3, published 8 May 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Zfnd Zebrad vulnerabilities", https://junglewise.ai/threats/technologies/zfnd-zebrad, 9 November 2026.