CVE-2026-9157

HIGHNVD 8.48.4
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-05-21. NVD baseline CVSS 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.4Exploit: NoneExposed: 0

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

Improper input validation, Unrestricted upload of file with dangerous type vulnerability in Gmission Web Fax allows Remote Code Inclusion.

This issue affects Web Fax: from 3.0 before 3.1.

CVSS v3
8.4
EG Score
8.4(medium)
EPSS
2.2%
KEV
Not listed

Published

May 21, 2026

Last Modified

May 21, 2026

Advisory Details (1)

Auto-updated Jun 2, 2026
No patch confirmed yet.
generic

주식회사 지미션

https://www.gmission.co.kr/fax1

Vendor Advisories for CVE-2026-9157(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 49× 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 130 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-9157?
CVE-2026-9157 is a high vulnerability published on May 21, 2026. Improper input validation, Unrestricted upload of file with dangerous type vulnerability in Gmission Web Fax allows Remote Code Inclusion. This issue affects Web Fax: from 3.0 before 3.1.
When was CVE-2026-9157 disclosed?
CVE-2026-9157 was first published in the National Vulnerability Database on May 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9157 actively exploited?
CVE-2026-9157 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9157?
CVE-2026-9157 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2026-9157?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9157, 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-2026-9157

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