CVE-2026-57827

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-11. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

Joomla Extension - rsjoomla.com - Unauthenticated file upload in RSFiles component < 1.17.12 - The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

July 11, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jul 25, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

Joomla!® File and Download Manager - RSFiles!

https://www.rsjoomla.com/joomla-extensions/joomla-download-manager.html
generic🔴 Active Exploitation

RSFiles! 1.17.12 File Upload RCE Fixed | mySites.guru

https://mysites.guru/blog/rsfiles-unauthenticated-file-upload-rce/

Vendor Advisories for CVE-2026-57827(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 36× in last 7d / 89× 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 02:49 UTCGHSA enrichment
  2. 2026-07-28 22:40 UTCGHSA enrichment
  3. 2026-07-28 18:30 UTCEG score recompute
  4. 2026-07-28 18:30 UTCGHSA enrichment
  5. 2026-07-28 15:37 UTCEPSS rescore
  6. 2026-07-28 14:18 UTCGHSA enrichment
  7. 2026-07-28 10:09 UTCGHSA enrichment
  8. 2026-07-28 06:01 UTCGHSA enrichment
  9. 2026-07-28 01:53 UTCGHSA enrichment
  10. 2026-07-27 21:45 UTCGHSA enrichment
  11. 2026-07-27 17:12 UTCEG score recompute
  12. 2026-07-27 17:12 UTCGHSA enrichment
  13. 2026-07-27 14:14 UTCEPSS rescore
  14. 2026-07-27 13:04 UTCGHSA enrichment
  15. 2026-07-27 08:49 UTCGHSA enrichment
  16. 2026-07-27 04:41 UTCGHSA enrichment
  17. 2026-07-27 00:32 UTCGHSA enrichment
  18. 2026-07-26 20:22 UTCGHSA enrichment
  19. 2026-07-26 16:12 UTCEG score recompute
  20. 2026-07-26 16:12 UTCGHSA enrichment
  21. 2026-07-26 14:54 UTCEPSS rescore
  22. 2026-07-26 14:54 UTCEPSS rescore
  23. 2026-07-26 12:03 UTCEG score recompute
  24. 2026-07-26 12:03 UTCGHSA enrichment
  25. 2026-07-26 05:07 UTCEG score recompute▼ 0.20
Show 64 more
  1. 2026-07-26 05:06 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 16:20 UTCNVD updateCVSS v3 → 9.8
  7. 2026-07-23 14:18 UTCEPSS rescore
  8. 2026-07-23 14:18 UTCEPSS rescore
  9. 2026-07-23 03:20 UTCEG score recompute▲ 0.20
  10. 2026-07-22 14:08 UTCEPSS rescore
  11. 2026-07-22 14:08 UTCEPSS rescore
  12. 2026-07-21 15:25 UTCEPSS rescore
  13. 2026-07-20 17:08 UTCEPSS rescore
  14. 2026-07-19 14:31 UTCEPSS rescore
  15. 2026-07-19 14:31 UTCEPSS rescore
  16. 2026-07-19 02:29 UTCEPSS rescore
  17. 2026-07-18 10:04 UTCEPSS rescore
  18. 2026-07-17 06:38 UTCGHSA enrichment
  19. 2026-07-17 02:29 UTCGHSA enrichment
  20. 2026-07-16 22:20 UTCGHSA enrichment
  21. 2026-07-16 18:11 UTCGHSA enrichment
  22. 2026-07-16 17:03 UTCEPSS rescore
  23. 2026-07-16 13:58 UTCGHSA enrichment
  24. 2026-07-16 09:46 UTCGHSA enrichment
  25. 2026-07-16 05:38 UTCGHSA enrichment
  26. 2026-07-16 01:30 UTCGHSA enrichment
  27. 2026-07-15 21:22 UTCGHSA enrichment
  28. 2026-07-15 17:14 UTCGHSA enrichment
  29. 2026-07-15 16:57 UTCEPSS rescore
  30. 2026-07-15 16:57 UTCEPSS rescore
  31. 2026-07-15 13:04 UTCGHSA enrichment
  32. 2026-07-15 08:56 UTCGHSA enrichment
  33. 2026-07-15 06:04 UTCMITRE cvelistV5CVSS v3 → 10
  34. 2026-07-15 04:46 UTCGHSA enrichment
  35. 2026-07-15 02:00 UTCEPSS rescore
  36. 2026-07-15 02:00 UTCEPSS rescore
  37. 2026-07-15 00:39 UTCGHSA enrichment
  38. 2026-07-14 20:26 UTCEG score recompute▼ 0.20
  39. 2026-07-14 20:26 UTCGHSA enrichment
  40. 2026-07-14 19:21 UTCNVD updateCVSS v3 → 9.8
  41. 2026-07-14 16:18 UTCGHSA enrichment
  42. 2026-07-14 12:11 UTCGHSA enrichment
  43. 2026-07-14 08:03 UTCGHSA enrichment
  44. 2026-07-14 03:54 UTCGHSA enrichment
  45. 2026-07-13 23:46 UTCGHSA enrichment
  46. 2026-07-13 22:31 UTCEPSS rescore
  47. 2026-07-13 19:38 UTCGHSA enrichment
  48. 2026-07-13 15:30 UTCGHSA enrichment
  49. 2026-07-13 11:21 UTCGHSA enrichment
  50. 2026-07-13 07:13 UTCGHSA enrichment
  51. 2026-07-13 06:13 UTCEPSS rescore
  52. 2026-07-13 06:13 UTCEPSS rescore
  53. 2026-07-13 03:04 UTCGHSA enrichment
  54. 2026-07-12 22:56 UTCGHSA enrichment
  55. 2026-07-12 18:47 UTCGHSA enrichment
  56. 2026-07-12 14:39 UTCGHSA enrichment
  57. 2026-07-12 10:31 UTCGHSA enrichment
  58. 2026-07-12 06:23 UTCGHSA enrichment
  59. 2026-07-12 02:15 UTCGHSA enrichment
  60. 2026-07-11 22:07 UTCGHSA enrichment
  61. 2026-07-11 17:59 UTCGHSA enrichment
  62. 2026-07-11 13:51 UTCGHSA enrichment
  63. 2026-07-11 09:43 UTCEG score recompute
  64. 2026-07-11 09:42 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-57827?
CVE-2026-57827 is a critical vulnerability published on July 11, 2026. Joomla Extension - rsjoomla.com - Unauthenticated file upload in RSFiles component < 1.17.12 - The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.
When was CVE-2026-57827 disclosed?
CVE-2026-57827 was first published in the National Vulnerability Database on July 11, 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-2026-57827 actively exploited?
CVE-2026-57827 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 66.8% of all scored CVEs.
What is the CVSS score of CVE-2026-57827?
CVE-2026-57827 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-57827?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57827, 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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