CVE-2026-40880Published

Zebra: Cached Mempool Verification Bypasses Consensus Rules for Ahead-of-Tip Blocks

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-40880

Published

zebrad

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "ZcashFoundation",
                    "product": "zebrad",
                    "versions": [
                        {
                            "version": "< 4.3.1",
                            "status": "affected"
                        }
                    ]
                }

zebra-consensus

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "ZcashFoundation",
                    "product": "zebra-consensus",
                    "versions": [
                        {
                            "version": "< 5.0.2",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON