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: 0.3%, top 82% 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
18%
KEV
Not listed

Published

July 20, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jul 24, 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 37× in last 7d / 42× 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.

  1. 2026-07-29 01:04 UTCGHSA enrichment
  2. 2026-07-28 21:04 UTCGHSA enrichment
  3. 2026-07-28 17:03 UTCEG score recompute
  4. 2026-07-28 17:03 UTCGHSA enrichment
  5. 2026-07-28 15:37 UTCEPSS rescore
  6. 2026-07-28 11:44 UTCGHSA enrichment
  7. 2026-07-28 07:37 UTCGHSA enrichment
  8. 2026-07-28 03:35 UTCGHSA enrichment
  9. 2026-07-27 23:35 UTCGHSA enrichment
  10. 2026-07-27 19:15 UTCGHSA enrichment
  11. 2026-07-27 15:13 UTCEG score recompute
  12. 2026-07-27 15:13 UTCGHSA enrichment
  13. 2026-07-27 14:14 UTCEPSS rescore
  14. 2026-07-27 10:50 UTCGHSA enrichment
  15. 2026-07-27 06:49 UTCGHSA enrichment
  16. 2026-07-27 02:49 UTCGHSA enrichment
  17. 2026-07-26 22:47 UTCGHSA enrichment
  18. 2026-07-26 18:48 UTCEG score recompute
  19. 2026-07-26 18:47 UTCGHSA enrichment
  20. 2026-07-26 14:54 UTCEPSS rescore
  21. 2026-07-26 14:54 UTCEPSS rescore
  22. 2026-07-26 14:47 UTCGHSA enrichment
  23. 2026-07-26 10:46 UTCEG score recompute
  24. 2026-07-26 10:46 UTCGHSA enrichment
  25. 2026-07-26 04:28 UTCEG score recompute
Show 17 more
  1. 2026-07-26 04:27 UTCGHSA enrichment
  2. 2026-07-25 14:18 UTCEPSS rescore
  3. 2026-07-25 14:18 UTCEPSS rescore
  4. 2026-07-24 14:18 UTCEPSS rescore
  5. 2026-07-24 14:18 UTCEPSS rescore
  6. 2026-07-23 14:18 UTCEPSS rescore
  7. 2026-07-23 14:18 UTCEPSS rescore
  8. 2026-07-23 03:21 UTCEG score recompute
  9. 2026-07-22 23:32 UTCEG score recompute
  10. 2026-07-22 23:32 UTCGHSA enrichment
  11. 2026-07-22 14:08 UTCEPSS rescore
  12. 2026-07-22 14:08 UTCEPSS rescore
  13. 2026-07-21 15:25 UTCEPSS rescore
  14. 2026-07-21 15:25 UTCEPSS rescore
  15. 2026-07-20 20:42 UTCEG score recompute
  16. 2026-07-20 19:13 UTCEG score recompute
  17. 2026-07-20 19:12 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

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 82.0% 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

Explore the affected products and dependency analysis for CVE-2026-61900

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