CVE-2026-4670

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-30. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 6%CVSS: 9.8Exploit: None knownExposed: 0

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

Authentication bypass by primary weakness vulnerability in Progress Software MOVEit Automation allows Authentication Bypass.

This issue affects MOVEit Automation: from 2025.0.0 before 2025.0.9, from 2024.0.0 before 2024.1.8, versions prior to 2024.0.0.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
61(Track)
EG Risk 61/100SSVC: 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
Severity98% × 45%
Exploitation6% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
6%
EPSS %ILE
93%
KEV
Not listed

Published

April 30, 2026

Last Modified

May 4, 2026

Advisory Details (1)

Auto-updated Sep 9, 2026
No patch confirmed yet.
generic

Progress Customer Community

https://community.progress.com/s/article/MOVEit-Automation-Critical-Security-Alert-Bulletin-April-2026-CVE-2026-4670-CVE-2026-5174

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 26× 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 269 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-4670?
CVE-2026-4670 is a critical vulnerability published on April 30, 2026. Authentication bypass by primary weakness vulnerability in Progress Software MOVEit Automation allows Authentication Bypass. This issue affects MOVEit Automation: from 2025.0.0 before 2025.0.9, from 2024.0.0 before 2024.1.8, versions prior to 2024.0.0.
When was CVE-2026-4670 disclosed?
CVE-2026-4670 was first published in the National Vulnerability Database on April 30, 2026, with the most recent update on May 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4670 actively exploited?
CVE-2026-4670 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6% probability of exploitation in the next 30 days, which ranks it in the top 7.5% of all scored CVEs.
What is the CVSS score of CVE-2026-4670?
CVE-2026-4670 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-4670?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4670, 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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