CVE-2026-64871

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-07-23. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: 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 Cache Cleaner extension - Administrator URL purges did not consistently require a valid token and cache-management permission.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

July 23, 2026

Last Modified

July 25, 2026

Advisory Details (1)

Auto-updated Jul 25, 2026
No patch confirmed yet.
generic

Regular Labs - Extensions for Joomla! - Regular Labs

https://regularlabs.com/

Vendor Advisories for CVE-2026-64871(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 11× in last 7d / 61× 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 135 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-64871?
CVE-2026-64871 is a medium vulnerability published on July 23, 2026. Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Cache Cleaner extension - Administrator URL purges did not consistently require a valid token and cache-management permission.
When was CVE-2026-64871 disclosed?
CVE-2026-64871 was first published in the National Vulnerability Database on July 23, 2026, with the most recent update on July 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-64871 actively exploited?
CVE-2026-64871 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 99.3% of all scored CVEs.
What is the CVSS score of CVE-2026-64871?
CVE-2026-64871 has a CVSS v3.1 base score of 5.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-64871?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64871, 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-2026-64871

Explore →

Is Your Infrastructure Affected by CVE-2026-64871?

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

Start Free Scan →Browse All CVEs