CVE-2026-50878

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-15. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

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

An issue in the attachment handling component of Feuerhamster MailForm v1.1.0 allows attackers to cause a Denial of Service (DoS) via a crafted request.

CVSS v3
7.5
EG Score
7.5(high)
EPSS
35.4%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (1)

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

Reference for CVE-2026-50878 · GitHub

https://gist.github.com/pyuysig/d4c2ace69162c82f1df197ce0f45d63f

Vendor Advisories for CVE-2026-50878(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 33× in last 7d / 109× 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 109 total refreshes for this CVE.

  1. 2026-07-07 00:39 UTCEG score recompute
  2. 2026-07-07 00:39 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-05 22:02 UTCEG score recompute
  7. 2026-07-05 22:02 UTCGHSA enrichment
  8. 2026-07-05 10:56 UTCEG score recompute
  9. 2026-07-05 10:56 UTCGHSA enrichment
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 23:50 UTCEG score recompute
  12. 2026-07-04 23:50 UTCGHSA enrichment
  13. 2026-07-04 12:43 UTCEG score recompute
  14. 2026-07-04 12:42 UTCGHSA enrichment
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-04 01:32 UTCEG score recompute
  17. 2026-07-04 01:31 UTCGHSA enrichment
  18. 2026-07-03 14:25 UTCEG score recompute
  19. 2026-07-03 14:25 UTCGHSA enrichment
  20. 2026-07-03 00:43 UTCEG score recompute
  21. 2026-07-03 00:42 UTCGHSA enrichment
  22. 2026-07-02 13:31 UTCEG score recompute
  23. 2026-07-02 13:31 UTCGHSA enrichment
  24. 2026-07-02 02:07 UTCEG score recompute
  25. 2026-07-02 02:07 UTCGHSA enrichment
Show 75 more
  1. 2026-07-01 15:07 UTCEPSS rescore
  2. 2026-07-01 15:01 UTCEG score recompute
  3. 2026-07-01 15:00 UTCGHSA enrichment
  4. 2026-07-01 03:55 UTCEG score recompute
  5. 2026-07-01 03:55 UTCGHSA enrichment
  6. 2026-06-30 23:22 UTCEPSS rescore
  7. 2026-06-30 16:49 UTCEG score recompute
  8. 2026-06-30 16:49 UTCGHSA enrichment
  9. 2026-06-30 05:44 UTCEG score recompute
  10. 2026-06-30 05:44 UTCGHSA enrichment
  11. 2026-06-29 18:39 UTCEG score recompute
  12. 2026-06-29 18:39 UTCGHSA enrichment
  13. 2026-06-29 14:06 UTCEPSS rescore
  14. 2026-06-29 14:06 UTCEPSS rescore
  15. 2026-06-29 06:36 UTCEG score recompute
  16. 2026-06-29 06:36 UTCGHSA enrichment
  17. 2026-06-28 19:26 UTCEG score recompute
  18. 2026-06-28 19:26 UTCGHSA enrichment
  19. 2026-06-28 14:07 UTCEPSS rescore
  20. 2026-06-28 08:21 UTCEG score recompute
  21. 2026-06-28 08:20 UTCGHSA enrichment
  22. 2026-06-28 04:56 UTCEPSS rescore
  23. 2026-06-28 04:56 UTCEPSS rescore
  24. 2026-06-27 21:16 UTCEG score recompute
  25. 2026-06-27 21:16 UTCGHSA enrichment
  26. 2026-06-27 10:11 UTCEG score recompute
  27. 2026-06-27 10:11 UTCGHSA enrichment
  28. 2026-06-27 03:08 UTCEPSS rescore
  29. 2026-06-26 23:05 UTCEG score recompute
  30. 2026-06-26 23:05 UTCGHSA enrichment
  31. 2026-06-26 12:00 UTCEG score recompute
  32. 2026-06-26 12:00 UTCGHSA enrichment
  33. 2026-06-25 19:10 UTCEG score recompute
  34. 2026-06-25 19:10 UTCGHSA enrichment
  35. 2026-06-25 13:49 UTCEPSS rescore
  36. 2026-06-25 08:04 UTCEG score recompute
  37. 2026-06-25 08:04 UTCGHSA enrichment
  38. 2026-06-24 20:59 UTCEG score recompute
  39. 2026-06-24 20:58 UTCGHSA enrichment
  40. 2026-06-24 14:05 UTCEPSS rescore
  41. 2026-06-24 09:53 UTCEG score recompute
  42. 2026-06-24 09:53 UTCGHSA enrichment
  43. 2026-06-23 22:47 UTCEG score recompute
  44. 2026-06-23 22:47 UTCGHSA enrichment
  45. 2026-06-23 21:33 UTCEPSS rescore
  46. 2026-06-23 21:33 UTCEPSS rescore
  47. 2026-06-23 11:41 UTCEG score recompute
  48. 2026-06-23 11:41 UTCGHSA enrichment
  49. 2026-06-23 00:34 UTCEG score recompute
  50. 2026-06-23 00:34 UTCGHSA enrichment
  51. 2026-06-22 14:25 UTCEPSS rescore
  52. 2026-06-22 14:25 UTCEPSS rescore
  53. 2026-06-22 13:08 UTCEG score recompute
  54. 2026-06-22 13:08 UTCGHSA enrichment
  55. 2026-06-22 01:47 UTCEG score recompute
  56. 2026-06-22 01:47 UTCGHSA enrichment
  57. 2026-06-21 14:56 UTCEPSS rescore
  58. 2026-06-21 14:56 UTCEPSS rescore
  59. 2026-06-21 14:07 UTCEG score recompute
  60. 2026-06-21 14:07 UTCGHSA enrichment
  61. 2026-06-21 01:59 UTCEPSS rescore
  62. 2026-06-21 01:59 UTCEPSS rescore
  63. 2026-06-21 01:55 UTCEG score recompute
  64. 2026-06-21 01:55 UTCGHSA enrichment
  65. 2026-06-20 14:50 UTCEG score recompute
  66. 2026-06-20 14:50 UTCGHSA enrichment
  67. 2026-06-20 03:44 UTCEG score recompute
  68. 2026-06-20 03:44 UTCGHSA enrichment
  69. 2026-06-19 19:26 UTCEPSS rescore
  70. 2026-06-19 19:26 UTCEPSS rescore
  71. 2026-06-19 16:31 UTCEG score recompute
  72. 2026-06-19 16:31 UTCGHSA enrichment
  73. 2026-06-19 05:23 UTCEG score recompute
  74. 2026-06-19 05:23 UTCGHSA enrichment
  75. 2026-06-18 18:16 UTCEG score recompute▲ 7.50

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-50878?
CVE-2026-50878 is a high vulnerability published on June 15, 2026. An issue in the attachment handling component of Feuerhamster MailForm v1.1.0 allows attackers to cause a Denial of Service (DoS) via a crafted request.
When was CVE-2026-50878 disclosed?
CVE-2026-50878 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50878 actively exploited?
CVE-2026-50878 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-50878?
CVE-2026-50878 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-50878?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50878, 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.

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