CVE-2026-57828

HIGHNVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-11. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

Joomla Extension - phoca.cz - Authenticated file upload in RSFiles component < 6.1.3 - The Joomla extension Phoca Downloads is vulnerable to an authenticated arbitrary file upload that allows registered users uploading executable files and leads to full RCE.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

July 11, 2026

Last Modified

July 23, 2026

Advisory Details (2)

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

Phoca Download

https://www.phoca.cz/phocadownload
generic🔴 Active Exploitation

Phoca Download 6.1.3 Fixes Authenticated RCE | mySites.guru

https://mysites.guru/blog/phoca-download-authenticated-file-upload-rce/

Vendor Advisories for CVE-2026-57828(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 25× in last 7d / 81× 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 02:17 UTCEG score recompute
  2. 2026-07-29 02:17 UTCGHSA enrichment
  3. 2026-07-28 15:37 UTCEPSS rescore
  4. 2026-07-28 14:47 UTCGHSA enrichment
  5. 2026-07-28 03:07 UTCGHSA enrichment
  6. 2026-07-27 15:38 UTCEG score recompute
  7. 2026-07-27 15:38 UTCGHSA enrichment
  8. 2026-07-27 14:14 UTCEPSS rescore
  9. 2026-07-27 04:10 UTCGHSA enrichment
  10. 2026-07-26 16:38 UTCEG score recompute
  11. 2026-07-26 16:38 UTCGHSA enrichment
  12. 2026-07-26 14:54 UTCEPSS rescore
  13. 2026-07-26 14:54 UTCEPSS rescore
  14. 2026-07-26 05:07 UTCEG score recompute▼ 0.20
  15. 2026-07-26 05:06 UTCGHSA enrichment
  16. 2026-07-25 14:18 UTCEPSS rescore
  17. 2026-07-25 14:18 UTCEPSS rescore
  18. 2026-07-24 14:18 UTCEPSS rescore
  19. 2026-07-24 14:18 UTCEPSS rescore
  20. 2026-07-23 16:20 UTCNVD updateCVSS v3 → 8.8 · severity → HIGH
  21. 2026-07-23 14:18 UTCEPSS rescore
  22. 2026-07-23 14:18 UTCEPSS rescore
  23. 2026-07-23 03:20 UTCEG score recompute
  24. 2026-07-22 14:08 UTCEPSS rescore
  25. 2026-07-22 14:08 UTCEPSS rescore
Show 56 more
  1. 2026-07-21 15:25 UTCEPSS rescore
  2. 2026-07-20 17:08 UTCEPSS rescore
  3. 2026-07-19 14:31 UTCEPSS rescore
  4. 2026-07-19 14:31 UTCEPSS rescore
  5. 2026-07-19 02:29 UTCEPSS rescore
  6. 2026-07-18 10:04 UTCEPSS rescore
  7. 2026-07-17 05:14 UTCGHSA enrichment
  8. 2026-07-17 01:35 UTCGHSA enrichment
  9. 2026-07-16 21:56 UTCGHSA enrichment
  10. 2026-07-16 18:17 UTCGHSA enrichment
  11. 2026-07-16 17:03 UTCEPSS rescore
  12. 2026-07-16 14:33 UTCGHSA enrichment
  13. 2026-07-16 10:54 UTCGHSA enrichment
  14. 2026-07-16 07:14 UTCGHSA enrichment
  15. 2026-07-16 03:35 UTCGHSA enrichment
  16. 2026-07-15 23:56 UTCGHSA enrichment
  17. 2026-07-15 20:17 UTCGHSA enrichment
  18. 2026-07-15 16:57 UTCEPSS rescore
  19. 2026-07-15 16:57 UTCEPSS rescore
  20. 2026-07-15 16:38 UTCGHSA enrichment
  21. 2026-07-15 12:58 UTCGHSA enrichment
  22. 2026-07-15 09:18 UTCEG score recompute▲ 0.20
  23. 2026-07-15 09:17 UTCGHSA enrichment
  24. 2026-07-15 06:04 UTCMITRE cvelistV5CVSS v3 → 9 · severity → CRITICAL
  25. 2026-07-15 02:00 UTCEPSS rescore
  26. 2026-07-15 02:00 UTCEPSS rescore
  27. 2026-07-14 21:49 UTCEG score recompute▼ 0.20
  28. 2026-07-14 21:49 UTCGHSA enrichment
  29. 2026-07-14 19:21 UTCNVD updateCVSS v3 → 8.8 · severity → HIGH
  30. 2026-07-14 18:10 UTCGHSA enrichment
  31. 2026-07-14 14:31 UTCGHSA enrichment
  32. 2026-07-14 10:51 UTCGHSA enrichment
  33. 2026-07-14 07:12 UTCGHSA enrichment
  34. 2026-07-14 03:33 UTCGHSA enrichment
  35. 2026-07-13 23:54 UTCGHSA enrichment
  36. 2026-07-13 22:31 UTCEPSS rescore
  37. 2026-07-13 20:15 UTCGHSA enrichment
  38. 2026-07-13 16:35 UTCGHSA enrichment
  39. 2026-07-13 12:54 UTCGHSA enrichment
  40. 2026-07-13 09:14 UTCGHSA enrichment
  41. 2026-07-13 06:13 UTCEPSS rescore
  42. 2026-07-13 06:13 UTCEPSS rescore
  43. 2026-07-13 05:34 UTCGHSA enrichment
  44. 2026-07-13 01:55 UTCGHSA enrichment
  45. 2026-07-12 22:16 UTCGHSA enrichment
  46. 2026-07-12 18:37 UTCGHSA enrichment
  47. 2026-07-12 14:58 UTCGHSA enrichment
  48. 2026-07-12 11:19 UTCGHSA enrichment
  49. 2026-07-12 07:40 UTCGHSA enrichment
  50. 2026-07-12 04:00 UTCGHSA enrichment
  51. 2026-07-12 00:21 UTCGHSA enrichment
  52. 2026-07-11 20:40 UTCGHSA enrichment
  53. 2026-07-11 17:01 UTCGHSA enrichment
  54. 2026-07-11 13:22 UTCGHSA enrichment
  55. 2026-07-11 09:43 UTCEG score recompute
  56. 2026-07-11 09:42 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-57828?
CVE-2026-57828 is a high vulnerability published on July 11, 2026. Joomla Extension - phoca.cz - Authenticated file upload in RSFiles component < 6.1.3 - The Joomla extension Phoca Downloads is vulnerable to an authenticated arbitrary file upload that allows registered users uploading executable files and leads to full RCE.
When was CVE-2026-57828 disclosed?
CVE-2026-57828 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-2026-57828 actively exploited?
CVE-2026-57828 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 70.2% of all scored CVEs.
What is the CVSS score of CVE-2026-57828?
CVE-2026-57828 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-57828?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57828, 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-2026-57828

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