CVE-2026-44127

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 15.7%, top 3% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 8.8Exploit: None knownExposed services: Not assessed

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

SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the privileges of the api.app process.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
71
EG Risk 71/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation40% × 40%
Automatability100% × 15%
EPSS PROB
0.5%
EPSS %ILE
43rd
KEV
Not listed

Published

May 8, 2026

Last Modified

May 18, 2026

Advisory Details (1)

Auto-updated May 8, 2026
No fix on record yet.
generic

15.0.4.1 Hotfix Release

https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security

Vendor Advisories for CVE-2026-44127(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 6× in last 7d / 20× 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 204 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-44127?
CVE-2026-44127 is a high vulnerability published on May 8, 2026. SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the…
When was CVE-2026-44127 disclosed?
CVE-2026-44127 was first published on May 8, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44127 actively exploited?
CVE-2026-44127 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (43rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-44127?
CVE-2026-44127 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-44127?
No fix for CVE-2026-44127 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-44127 are linked in the Vendor Advisories panel on this page.

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