CVE-2026-0857Published

Use of a Password Hash With Insufficient Computational Effort in Mesalvo MEONA (MEONA Server and MEONA Client) for user accounts whose password was last set under a version before MEONA 2024.10. MEONA versions before 2024.10 protected store…

cve-program · CVE-2026-0857

Published

Meona Client

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Mesalvo",
                    "product": "Meona Client",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2024.10",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "2025.04",
                            "lessThan": "2025.04.24",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "2026.03",
                            "lessThan": "2026.03.02",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Meona Server

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Mesalvo",
                    "product": "Meona Server",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2024.10",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "2025.04",
                            "lessThan": "2025.04.24",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "2026.03",
                            "lessThan": "2026.03.02",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

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