CVE-2026-64873

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-23. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: 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 - SSRF in Cache Cleaner Pro extension - Custom query URLs could access internal or reserved network services.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

July 23, 2026

Last Modified

July 25, 2026

Advisory Details (1)

Auto-updated Sep 12, 2026
No patch confirmed yet.
generic

Regular Labs - Extensions for Joomla! - Regular Labs

https://regularlabs.com/

Vendor Advisories for CVE-2026-64873(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 28× in last 7d / 147× 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 331 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-64873?
CVE-2026-64873 is a critical vulnerability published on July 23, 2026. Joomla Extension - regularlabs.com - SSRF in Cache Cleaner Pro extension - Custom query URLs could access internal or reserved network services.
When was CVE-2026-64873 disclosed?
CVE-2026-64873 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-2026-64873 actively exploited?
CVE-2026-64873 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 81.1% of all scored CVEs.
What is the CVSS score of CVE-2026-64873?
CVE-2026-64873 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-64873?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-64873, 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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