CVE-2026-63048

CRITICALPre-NVD 9.49.4—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 68% 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
9.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.4Exploit: None knownExposed: 0

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

Joomla Extension - joomlack.fr - Improper access control in Page Builder CK 1.0.0-3.1.2, 3.4.0-3.4.11, 3.5.0-3.6.2 - The Joomla extension Page Builder CK is vulnerable to an authenticated arbitrary file upload, leading to RCE.

CVSS v3
9.4
EG Score
9.4(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: 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
Severity94% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

July 22, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

Joomlack - Extensions et tutoriels Joomla! - JoomlaCK - Extensions et tutoriels Joomla!

https://www.joomlack.fr/

Vendor Advisories for CVE-2026-63048(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 29× in last 7d / 153× 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 351 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-63048?
CVE-2026-63048 is a critical vulnerability published on July 22, 2026. Joomla Extension - joomlack.fr - Improper access control in Page Builder CK 1.0.0-3.1.2, 3.4.0-3.4.11, 3.5.0-3.6.2 - The Joomla extension Page Builder CK is vulnerable to an authenticated arbitrary file upload, leading to RCE.
When was CVE-2026-63048 disclosed?
CVE-2026-63048 was first published in the National Vulnerability Database on July 22, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63048 actively exploited?
CVE-2026-63048 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 68.3% of all scored CVEs.
What is the CVSS score of CVE-2026-63048?
CVE-2026-63048 has a CVSS v3 base score of 9.4 (NVD).
How do I remediate CVE-2026-63048?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63048, 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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