CVE-2026-61900

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 62% 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, secondary
Trending — 3 sources updated this week
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 10.0Exploit: None knownExposed: 0

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

Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-jDownloads < 4.1.6 - The Joomla extension JDownloads is vulnerable to an unauthenticated file upload, leading to full RCE.

CVSS v3
10.0
EG Score
10.0(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity100% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

July 20, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Sep 11, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

jDownloads.com - jDownloads! Download Manager for Joomla! - News

https://www.jdownloads.com/
generic🔴 Active Exploitation

jDownloads 4.1.6 Fixes Upload Flaw | mySites.guru

https://mysites.guru/blog/jdownloads-4-1-unauthenticated-upload-flaw/

Vendor Advisories for CVE-2026-61900(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 23× in last 7d / 134× 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 326 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-61900?
CVE-2026-61900 is a critical vulnerability published on July 20, 2026. Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-jDownloads < 4.1.6 - The Joomla extension JDownloads is vulnerable to an unauthenticated file upload, leading to full RCE.
When was CVE-2026-61900 disclosed?
CVE-2026-61900 was first published in the National Vulnerability Database on July 20, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-61900 actively exploited?
CVE-2026-61900 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 62.4% of all scored CVEs.
What is the CVSS score of CVE-2026-61900?
CVE-2026-61900 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-61900?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-61900, 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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