Vulnerability-Lookup

CVE-2026-25602 (GCVE-0-2026-25602)

Vulnerability from cvelistv5 – Published: 2026-05-20 10:54 – Updated: 2026-05-20 12:00

Summary

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.

Severity

4.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-345 - Insufficient Verification of Data Authenticity

Assigner

ENISA

References

1 reference

URL	Tags
https://seccore.at/blog/cves-meona/	third-party-advisory

Impacted products

2 products

Vendor	Product	Version
Mesalvo	Meona Client Launcher Component	Affected: 0 , ≤ 19.06.2020 15:11:49 (custom)
Mesalvo	Meona Server Component	Affected: 0 , ≤ 2025.04 5+323020 (custom)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-25602

Vulnerability from fkie_nvd - Published: 2026-05-20 11:16 - Updated: 2026-06-17 10:24

Severity

4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Summary

References

	URL	Tags
	a6d3dc9e-0591-4a13-bce7-0f5b31ff6158	https://seccore.at/blog/cves-meona/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Meona Client Launcher Component",
          "vendor": "Mesalvo",
          "versions": [
            {
              "lessThanOrEqual": "19.06.2020 15:11:49",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Meona Server Component",
          "vendor": "Mesalvo",
          "versions": [
            {
              "lessThanOrEqual": "2025.04 5+323020",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
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    }
  ],
  "id": "CVE-2026-25602",
  "lastModified": "2026-06-17T10:24:56.107",
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      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
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          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
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GHSA-R47H-9XX2-MW53

Vulnerability from github – Published: 2026-05-20 12:30 – Updated: 2026-05-20 12:30

Details

Severity

4.4 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-25602"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-345"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-20T11:16:26Z",
    "severity": "MODERATE"
  },
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  "id": "GHSA-r47h-9xx2-mw53",
  "modified": "2026-05-20T12:30:38Z",
  "published": "2026-05-20T12:30:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25602"
    },
    {
      "type": "WEB",
      "url": "https://seccore.at/blog/cves-meona"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-25602 (GCVE-0-2026-25602)

FKIE_CVE-2026-25602

GHSA-R47H-9XX2-MW53

Tags

Sightings

Nomenclature