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
Trending — 3 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 16%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

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
8.8(medium)
EG Risk
71(Track)
EG Risk 71/100SSVC: Track

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%
Action: Routine — remediate on your standard cadence.
EPSS PROB
16%
EPSS %ILE
97%
KEV
Not listed

Published

May 8, 2026

Last Modified

May 18, 2026

Advisory Details (1)

Auto-updated May 8, 2026
No patch confirmed 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 7× in last 7d / 60× 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 173 total refreshes for this CVE.

  1. 2026-08-25 13:49 UTCEPSS rescore
  2. 2026-08-23 19:13 UTCEG score recompute
  3. 2026-08-23 19:13 UTCGHSA enrichment
  4. 2026-08-23 00:19 UTCEPSS rescore
  5. 2026-08-21 23:49 UTCEPSS rescore
  6. 2026-08-20 22:55 UTCEPSS rescore
  7. 2026-08-19 17:04 UTCEPSS rescore
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 11:55 UTCEG score recompute
  10. 2026-08-17 11:55 UTCGHSA enrichment
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-16 04:37 UTCEG score recompute
  13. 2026-08-16 04:37 UTCGHSA enrichment
  14. 2026-08-16 02:14 UTCEPSS rescore
  15. 2026-08-15 02:03 UTCEG score recompute
  16. 2026-08-15 02:03 UTCGHSA enrichment
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-14 14:37 UTCGHSA enrichment
  19. 2026-08-14 03:11 UTCEG score recompute
  20. 2026-08-14 03:11 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-13 04:12 UTCGHSA enrichment
  23. 2026-08-12 16:46 UTCEG score recompute
  24. 2026-08-12 16:46 UTCGHSA enrichment
  25. 2026-08-12 13:51 UTCEPSS rescore
Show 75 more
  1. 2026-08-11 15:52 UTCEG score recompute
  2. 2026-08-11 15:52 UTCGHSA enrichment
  3. 2026-08-11 13:43 UTCEPSS rescore
  4. 2026-08-11 01:19 UTCGHSA enrichment
  5. 2026-08-10 12:44 UTCGHSA enrichment
  6. 2026-08-10 01:18 UTCGHSA enrichment
  7. 2026-08-09 13:52 UTCEG score recompute
  8. 2026-08-09 13:52 UTCGHSA enrichment
  9. 2026-08-09 13:46 UTCEPSS rescore
  10. 2026-08-09 02:26 UTCEG score recompute
  11. 2026-08-09 02:26 UTCGHSA enrichment
  12. 2026-08-08 16:37 UTCEPSS rescore
  13. 2026-08-08 07:40 UTCGHSA enrichment
  14. 2026-08-07 20:14 UTCEG score recompute
  15. 2026-08-07 20:14 UTCGHSA enrichment
  16. 2026-08-07 08:47 UTCGHSA enrichment
  17. 2026-08-06 21:01 UTCEG score recompute
  18. 2026-08-06 21:01 UTCGHSA enrichment
  19. 2026-08-06 13:46 UTCEPSS rescore
  20. 2026-08-06 09:35 UTCGHSA enrichment
  21. 2026-08-05 22:09 UTCEG score recompute
  22. 2026-08-05 22:09 UTCGHSA enrichment
  23. 2026-08-05 19:17 UTCEPSS rescore
  24. 2026-08-04 15:10 UTCEPSS rescore
  25. 2026-08-03 19:32 UTCEG score recompute
  26. 2026-08-03 19:32 UTCGHSA enrichment
  27. 2026-08-03 10:36 UTCEPSS rescore
  28. 2026-08-03 01:53 UTCGHSA enrichment
  29. 2026-08-02 14:27 UTCGHSA enrichment
  30. 2026-08-02 03:00 UTCEG score recompute
  31. 2026-08-02 03:00 UTCGHSA enrichment
  32. 2026-08-01 04:16 UTCEPSS rescore
  33. 2026-07-30 16:28 UTCEPSS rescore
  34. 2026-07-28 15:36 UTCEPSS rescore
  35. 2026-07-27 14:13 UTCEPSS rescore
  36. 2026-07-26 14:54 UTCEPSS rescore
  37. 2026-07-26 14:54 UTCEPSS rescore
  38. 2026-07-25 14:18 UTCEPSS rescore
  39. 2026-07-24 14:17 UTCEPSS rescore
  40. 2026-07-23 14:18 UTCEPSS rescore
  41. 2026-07-23 03:14 UTCEG score recompute
  42. 2026-07-22 14:08 UTCEPSS rescore
  43. 2026-07-21 15:24 UTCEPSS rescore
  44. 2026-07-20 17:08 UTCEPSS rescore
  45. 2026-07-19 14:31 UTCEPSS rescore
  46. 2026-07-19 02:29 UTCEPSS rescore
  47. 2026-07-18 10:04 UTCEPSS rescore
  48. 2026-07-16 17:03 UTCEPSS rescore
  49. 2026-07-15 16:57 UTCEPSS rescore
  50. 2026-07-15 02:00 UTCEPSS rescore
  51. 2026-07-13 22:30 UTCEPSS rescore
  52. 2026-07-12 05:46 UTCEPSS rescore
  53. 2026-07-11 08:27 UTCEPSS rescore
  54. 2026-07-09 19:10 UTCEPSS rescore
  55. 2026-07-08 15:16 UTCEPSS rescore
  56. 2026-07-07 13:46 UTCEPSS rescore
  57. 2026-07-06 16:27 UTCEPSS rescore
  58. 2026-07-05 02:30 UTCEPSS rescore
  59. 2026-07-04 06:31 UTCEPSS rescore
  60. 2026-07-01 15:07 UTCEPSS rescore
  61. 2026-06-30 23:22 UTCEPSS rescore
  62. 2026-06-29 14:06 UTCEPSS rescore
  63. 2026-06-28 14:07 UTCEPSS rescore
  64. 2026-06-28 05:07 UTCGHSA enrichment
  65. 2026-06-28 04:56 UTCEPSS rescore
  66. 2026-06-27 13:52 UTCGHSA enrichment
  67. 2026-06-27 03:08 UTCEPSS rescore
  68. 2026-06-26 21:30 UTCGHSA enrichment
  69. 2026-06-25 13:49 UTCEPSS rescore
  70. 2026-06-25 13:49 UTCEPSS rescore
  71. 2026-06-24 14:05 UTCEPSS rescore
  72. 2026-06-23 21:33 UTCEPSS rescore
  73. 2026-06-22 14:25 UTCEPSS rescore
  74. 2026-06-22 14:25 UTCEPSS rescore
  75. 2026-06-21 14:56 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 in the National Vulnerability Database 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 16% probability of exploitation in the next 30 days, which ranks it in the top 3.4% of all 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?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44127, 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

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