CVE-2026-64791

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH 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 — 4 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(high)
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 28× in last 7d / 40× 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.

  1. 2026-07-31 22:13 UTCGHSA enrichment
  2. 2026-07-31 09:38 UTCGHSA enrichment
  3. 2026-07-30 21:08 UTCEG score recompute
  4. 2026-07-30 21:08 UTCGHSA enrichment
  5. 2026-07-30 16:28 UTCEPSS rescore
  6. 2026-07-30 08:00 UTCEG score recompute
  7. 2026-07-30 08:00 UTCGHSA enrichment
  8. 2026-07-30 01:30 UTCEPSS rescore
  9. 2026-07-30 01:30 UTCEPSS rescore
  10. 2026-07-29 19:29 UTCGHSA enrichment
  11. 2026-07-29 06:43 UTCGHSA enrichment
  12. 2026-07-28 18:12 UTCEG score recompute
  13. 2026-07-28 18:12 UTCGHSA enrichment
  14. 2026-07-28 15:37 UTCEPSS rescore
  15. 2026-07-28 05:41 UTCEG score recompute
  16. 2026-07-28 05:41 UTCGHSA enrichment
  17. 2026-07-27 18:23 UTCGHSA enrichment
  18. 2026-07-27 18:22 UTCGHSA enrichment
  19. 2026-07-27 18:11 UTCEG score recompute▲ 8.80
  20. 2026-07-27 18:11 UTCGHSA enrichment
  21. 2026-07-27 18:09 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  22. 2026-07-27 14:14 UTCEPSS rescore
  23. 2026-07-26 14:54 UTCEPSS rescore
  24. 2026-07-26 14:54 UTCEPSS rescore
  25. 2026-07-26 03:23 UTCEG score recompute
Show 15 more
  1. 2026-07-26 03:22 UTCGHSA enrichment
  2. 2026-07-25 14:18 UTCEPSS rescore
  3. 2026-07-25 14:18 UTCEPSS rescore
  4. 2026-07-24 14:18 UTCEPSS rescore
  5. 2026-07-24 14:18 UTCEPSS rescore
  6. 2026-07-23 16:11 UTCNVD update
  7. 2026-07-23 15:36 UTCMITRE cvelistV5
  8. 2026-07-23 14:18 UTCEPSS rescore
  9. 2026-07-23 14:18 UTCEPSS rescore
  10. 2026-07-23 03:22 UTCEG score recompute
  11. 2026-07-22 21:58 UTCEG score recompute
  12. 2026-07-22 21:58 UTCGHSA enrichment
  13. 2026-07-22 21:23 UTCNVD update
  14. 2026-07-22 20:58 UTCEG score recompute
  15. 2026-07-22 20:56 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

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 97.2% 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

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