CVE-2026-25602

MEDIUMNVD 4.44.4
EchelonGraph scoreMEDIUM confidence

Score 4.4 from GitHub Security Advisory published 2026-05-20. NVD baseline CVSS 4.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.4Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
4.4
EG Score
4.4(medium)
EPSS
0.6%
KEV
Not listed

Published

May 20, 2026

Last Modified

May 20, 2026

Advisory Details (1)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

Prescribing Security: Uncovering 5 CVEs in a Healthcare Application | SecCore GmbH

https://seccore.at/blog/cves-meona/

Vendor Advisories for CVE-2026-25602(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 55× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 122 total refreshes for this CVE.

  1. 2026-07-12 05:46 UTCEPSS rescore
  2. 2026-07-12 05:46 UTCEPSS rescore
  3. 2026-07-08 15:15 UTCEPSS rescore
  4. 2026-07-08 15:15 UTCEPSS rescore
  5. 2026-07-07 13:46 UTCEPSS rescore
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 16:27 UTCEPSS rescore
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-06 02:23 UTCEPSS rescore
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-01 15:06 UTCEPSS rescore
  13. 2026-07-01 15:06 UTCEPSS rescore
  14. 2026-06-29 20:29 UTCEG score recompute
  15. 2026-06-29 20:29 UTCGHSA enrichment
  16. 2026-06-29 14:06 UTCEPSS rescore
  17. 2026-06-28 14:07 UTCEPSS rescore
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-27 20:16 UTCEG score recompute
  22. 2026-06-27 20:16 UTCGHSA enrichment
  23. 2026-06-27 03:08 UTCEPSS rescore
  24. 2026-06-26 19:34 UTCEG score recompute
  25. 2026-06-26 19:34 UTCGHSA enrichment
Show 75 more
  1. 2026-06-25 15:40 UTCEG score recompute
  2. 2026-06-25 15:40 UTCGHSA enrichment
  3. 2026-06-24 14:05 UTCEPSS rescore
  4. 2026-06-24 14:05 UTCEPSS rescore
  5. 2026-06-23 21:33 UTCEPSS rescore
  6. 2026-06-23 21:32 UTCEPSS rescore
  7. 2026-06-21 01:59 UTCEPSS rescore
  8. 2026-06-21 01:59 UTCEPSS rescore
  9. 2026-06-19 19:25 UTCEPSS rescore
  10. 2026-06-19 19:25 UTCEPSS rescore
  11. 2026-06-17 21:45 UTCEG score recompute
  12. 2026-06-17 21:45 UTCGHSA enrichment
  13. 2026-06-17 17:53 UTCEPSS rescore
  14. 2026-06-17 17:53 UTCEPSS rescore
  15. 2026-06-16 22:20 UTCEG score recompute
  16. 2026-06-16 22:20 UTCGHSA enrichment
  17. 2026-06-16 17:52 UTCEPSS rescore
  18. 2026-06-15 22:55 UTCEG score recompute
  19. 2026-06-15 22:54 UTCGHSA enrichment
  20. 2026-06-15 17:48 UTCEPSS rescore
  21. 2026-06-14 23:18 UTCEPSS rescore
  22. 2026-06-14 21:54 UTCEG score recompute
  23. 2026-06-14 21:54 UTCGHSA enrichment
  24. 2026-06-13 23:00 UTCEPSS rescore
  25. 2026-06-13 22:29 UTCEG score recompute
  26. 2026-06-13 22:29 UTCGHSA enrichment
  27. 2026-06-12 23:12 UTCEPSS rescore
  28. 2026-06-12 23:12 UTCEPSS rescore
  29. 2026-06-12 20:03 UTCEG score recompute
  30. 2026-06-12 20:02 UTCGHSA enrichment
  31. 2026-06-11 20:36 UTCEG score recompute
  32. 2026-06-11 20:36 UTCGHSA enrichment
  33. 2026-06-11 14:00 UTCEPSS rescore
  34. 2026-06-10 22:18 UTCEPSS rescore
  35. 2026-06-10 22:18 UTCEPSS rescore
  36. 2026-06-10 21:11 UTCEG score recompute
  37. 2026-06-10 21:11 UTCGHSA enrichment
  38. 2026-06-10 13:22 UTCEPSS rescore
  39. 2026-06-09 21:46 UTCEG score recompute
  40. 2026-06-09 21:46 UTCGHSA enrichment
  41. 2026-06-08 22:20 UTCEG score recompute
  42. 2026-06-08 22:20 UTCGHSA enrichment
  43. 2026-06-08 14:17 UTCEPSS rescore
  44. 2026-06-08 14:17 UTCEPSS rescore
  45. 2026-06-07 22:54 UTCEG score recompute
  46. 2026-06-07 22:54 UTCGHSA enrichment
  47. 2026-06-07 15:25 UTCEPSS rescore
  48. 2026-06-07 15:25 UTCEPSS rescore
  49. 2026-06-07 15:25 UTCEPSS rescore
  50. 2026-06-06 23:29 UTCEG score recompute
  51. 2026-06-06 23:29 UTCGHSA enrichment
  52. 2026-06-06 00:04 UTCEG score recompute
  53. 2026-06-06 00:04 UTCGHSA enrichment
  54. 2026-06-05 22:47 UTCEPSS rescore
  55. 2026-06-05 22:47 UTCEPSS rescore
  56. 2026-06-05 06:10 UTCEPSS rescore
  57. 2026-06-05 06:10 UTCEPSS rescore
  58. 2026-06-05 00:38 UTCEG score recompute
  59. 2026-06-05 00:38 UTCGHSA enrichment
  60. 2026-06-04 13:12 UTCEPSS rescore
  61. 2026-06-04 13:12 UTCEPSS rescore
  62. 2026-06-04 01:13 UTCEG score recompute
  63. 2026-06-04 01:13 UTCGHSA enrichment
  64. 2026-06-03 01:47 UTCEG score recompute
  65. 2026-06-03 01:47 UTCGHSA enrichment
  66. 2026-06-02 20:13 UTCEPSS rescore
  67. 2026-06-02 20:13 UTCEPSS rescore
  68. 2026-06-02 02:21 UTCEG score recompute
  69. 2026-06-02 02:21 UTCGHSA enrichment
  70. 2026-06-01 13:51 UTCEPSS rescore
  71. 2026-06-01 13:51 UTCEPSS rescore
  72. 2026-06-01 02:55 UTCEG score recompute
  73. 2026-06-01 02:55 UTCGHSA enrichment
  74. 2026-05-31 00:16 UTCEPSS rescore
  75. 2026-05-31 00:16 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-25602?
CVE-2026-25602 is a medium vulnerability published on May 20, 2026. 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:…
When was CVE-2026-25602 disclosed?
CVE-2026-25602 was first published in the National Vulnerability Database on May 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-25602 actively exploited?
CVE-2026-25602 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-25602?
CVE-2026-25602 has a CVSS v3 base score of 4.4 (NVD).
How do I remediate CVE-2026-25602?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-25602, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-25602

Explore →

Is Your Infrastructure Affected by CVE-2026-25602?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.