{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-25602", "assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "state": "PUBLISHED", "assignerShortName": "ENISA", "dateReserved": "2026-02-03T07:24:49.548Z", "datePublished": "2026-05-20T10:54:13.448Z", "dateUpdated": "2026-05-20T10:54:13.448Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "shortName": "ENISA", "dateUpdated": "2026-05-20T10:54:13.448Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-345", "description": "CWE-345: Insufficient Verification of Data Authenticity", "type": "CWE"}]}], "affected": [{"vendor": "Mesalvo", "product": "Meona Client Launcher Component", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "19.06.2020 15:11:49", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Mesalvo", "product": "Meona Server Component", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "2025.04 5+323020", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Insufficient Verification of Data Authenticity vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component makes it possible to send messages to any email address.\u00a0This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Insufficient Verification of Data Authenticity vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component makes it possible to send messages to any email address. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020."}]}], "references": [{"url": "https://seccore.at/blog/cves-meona/", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 4.4, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient Verification of Data Authenticity vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component makes it possible to send messages to any email address.\u00a0This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020."}], "id": "CVE-2026-25602", "lastModified": "2026-05-20T11:16:26.313", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.5, "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}]}, "published": "2026-05-20T11:16:26.313", "references": [{"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "url": "https://seccore.at/blog/cves-meona/"}], "sourceIdentifier": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-345"}], "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}]}

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