CVE-2026-64791

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-22. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 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 - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Regular Labs Extension Manager - Administrator routes and install/update/uninstall processing did not consistently enforce component-management and installation permissions. An unauthorized backend user or CSRF attack could install, update or remove extensions.

CVSS v3
8.8
EG Score
8.8(medium)
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
3%
KEV
Not listed

Published

July 22, 2026

Last Modified

July 28, 2026

Advisory Details (1)

Auto-updated Jul 27, 2026
No patch confirmed yet.
generic

Regular Labs - Extensions for Joomla! - Regular Labs

https://regularlabs.com/

Vendor Advisories for CVE-2026-64791(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 15× in last 7d / 85× 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 186 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-64791?
CVE-2026-64791 is a high vulnerability published on July 22, 2026. Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Regular Labs Extension Manager - Administrator routes and install/update/uninstall processing did not consistently enforce component-management and installation permissions. An unauthorized backend user or…
When was CVE-2026-64791 disclosed?
CVE-2026-64791 was first published in the National Vulnerability Database on July 22, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64791 actively exploited?
CVE-2026-64791 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 97.3% of all scored CVEs.
What is the CVSS score of CVE-2026-64791?
CVE-2026-64791 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-64791?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64791, 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-2026-64791

Explore →

Is Your Infrastructure Affected by CVE-2026-64791?

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

Start Free Scan →Browse All CVEs