CVE-2026-84048

MEDIUMPre-NVD 6.36.3
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

This medium-severity CVE scores 6.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5% (41st percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from a secondary CVSS source
Sources: EPSS, a secondary CVSS source
Trending — 3 sources updated this week
6.3EG
EchelonGraph verdictMonitorRemediate within your standard update timelines (the SSVC decision on this page).
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 6.3Exploit: None knownExposed services: Not assessed

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

The CVE record's description, written by its CNA (Joomla! Project), states the affected versions: "Joomla Extension - joomgalleryfriends.net - Unauthenticated arbitrary file upload via the TUS endpoint in JoomGallery < 4.4.2 - The TUS endpoint allows arbitrary file uploads, however neither file name nor file extensio…" No release containing a fix is confirmed on record.

Joomla Extension - joomgalleryfriends.net - Unauthenticated arbitrary file upload via the TUS endpoint in JoomGallery < 4.4.2 - The TUS endpoint allows arbitrary file uploads, however neither file name nor file extension are under attacker control. Code execution requires non-standard server configuration.

CVSS v3
6.3
EG Score
6.3MEDIUMmedium confidence
EG Risk
29
EG Risk 29/100

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 (value × EchelonGraph’s weight)
Severity63% × 45%
The EG Score, 6.3 of 10.
Exploitation0.5% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.5%
EPSS %ILE
41st
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

September 15, 2026

Last Modified

September 19, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
No fix on record yet.
Web page

JoomGallery friends – Startseite

https://www.joomgalleryfriends.net/

Vendor Advisories for CVE-2026-84048(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 20× in last 7d / 86× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

  1. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  2. 2026-10-12 16:35 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  3. 2026-10-12 14:54 UTCEG score recompute
  4. 2026-10-11 19:18 UTCEG score recompute
  5. 2026-10-11 16:35 UTCEG score recompute
  6. 2026-10-11 15:44 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  7. 2026-10-11 13:52 UTCEG score recompute
  8. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  9. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  10. 2026-10-10 15:53 UTCEG score recompute
  11. 2026-10-10 15:52 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  12. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  13. 2026-10-09 15:44 UTCEG score recompute
  14. 2026-10-09 15:44 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  15. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  16. 2026-10-08 10:54 UTCEG score recompute
  17. 2026-10-08 10:54 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  18. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  19. 2026-10-07 10:41 UTCEG score recompute
  20. 2026-10-07 10:41 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  21. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.5% · 41st percentile
  22. 2026-10-06 10:42 UTCEG score recompute
  23. 2026-10-06 10:42 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  24. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  25. 2026-10-05 10:48 UTCEG score recompute
Show 61 more
  1. 2026-10-05 10:48 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  2. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  3. 2026-10-04 10:54 UTCEG score recompute
  4. 2026-10-04 10:54 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  5. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  6. 2026-10-03 10:55 UTCEG score recompute
  7. 2026-10-03 10:55 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  8. 2026-10-02 17:57 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  9. 2026-10-02 11:03 UTCEG score recompute
  10. 2026-10-02 11:03 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  11. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  12. 2026-10-01 11:12 UTCEG score recompute
  13. 2026-10-01 11:12 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  14. 2026-09-30 15:04 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  15. 2026-09-30 11:20 UTCEG score recompute
  16. 2026-09-30 11:20 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  17. 2026-09-29 11:28 UTCEG score recompute
  18. 2026-09-29 11:28 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  19. 2026-09-28 13:52 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  20. 2026-09-28 11:37 UTCEG score recompute
  21. 2026-09-28 11:36 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  22. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  23. 2026-09-27 11:44 UTCEG score recompute
  24. 2026-09-27 11:44 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  25. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  26. 2026-09-26 11:40 UTCEG score recompute
  27. 2026-09-26 11:40 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  28. 2026-09-25 11:49 UTCEG score recompute
  29. 2026-09-25 11:49 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  30. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  31. 2026-09-24 11:57 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  32. 2026-09-23 12:05 UTCEG score recompute
  33. 2026-09-23 12:05 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  34. 2026-09-22 16:01 UTCEPSS rescoreEPSS 0.3% · 24th percentile
  35. 2026-09-22 12:13 UTCEG score recompute
  36. 2026-09-22 12:13 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  37. 2026-09-21 21:09 UTCEPSS rescoreEPSS 0.3% · 24th percentile
  38. 2026-09-21 12:19 UTCEG score recompute
  39. 2026-09-21 12:19 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  40. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.3% · 24th percentile
  41. 2026-09-20 12:27 UTCEG score recompute
  42. 2026-09-20 12:27 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  43. 2026-09-19 12:27 UTCEG score recompute
  44. 2026-09-19 12:27 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  45. 2026-09-19 12:02 UTCEG score recompute
  46. 2026-09-19 12:02 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  47. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.3% · 24th percentile
  48. 2026-09-18 19:17 UTCEG score recompute
  49. 2026-09-18 19:17 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  50. 2026-09-17 19:32 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  51. 2026-09-17 19:25 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  52. 2026-09-16 19:33 UTCEG score recompute
  53. 2026-09-16 19:33 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  54. 2026-09-16 14:09 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  55. 2026-09-16 04:48 UTCEG score recompute
  56. 2026-09-16 04:48 UTCGHSA enrichmentGHSA-x2gj-69fv-g59f
  57. 2026-09-15 20:40 UTCEG score recompute
  58. 2026-09-15 19:43 UTCEG score recompute
  59. 2026-09-15 19:32 UTCEG score recompute
  60. 2026-09-15 19:13 UTCEG score recomputeFirst assessed: 6.3 MEDIUM
  61. 2026-09-15 19:12 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84048?
CVE-2026-84048 is a medium-severity vulnerability; its CVE record was published on September 15, 2026. Joomla Extension - joomgalleryfriends.net - Unauthenticated arbitrary file upload via the TUS endpoint in JoomGallery < 4.4.2 - The TUS endpoint allows arbitrary file uploads, however neither file name nor file extension are under attacker control. Code execution requires non-standard server…
When was the CVE record for CVE-2026-84048 published?
The CVE record for CVE-2026-84048 was published on September 15, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of September 19, 2026; the record at its source may have been updated since.
Is CVE-2026-84048 actively exploited?
CVE-2026-84048 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (41st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-84048?
CVE-2026-84048 has a CVSS base score of 6.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-84048?
No fix for CVE-2026-84048 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The CVE record's description, written by its CNA (Joomla! Project), states the affected versions: "Joomla Extension - joomgalleryfriends.net - Unauthenticated arbitrary file upload via the TUS endpoint in JoomGallery < 4.4.2 - The TUS endpoint allows arbitrary file uploads, however neither file name nor file extensio…" No release containing a fix is confirmed on record. The vendor advisories EchelonGraph has for CVE-2026-84048 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-84048

Explore →

Is Your Infrastructure Affected by CVE-2026-84048?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs