CVE-2026-64871

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH 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(high)
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 21× in last 7d / 33× 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 21:19 UTCGHSA enrichment
  2. 2026-07-30 22:20 UTCEG score recompute
  3. 2026-07-30 22:20 UTCGHSA enrichment
  4. 2026-07-30 16:28 UTCEPSS rescore
  5. 2026-07-30 01:30 UTCEPSS rescore
  6. 2026-07-30 01:30 UTCEPSS rescore
  7. 2026-07-29 23:20 UTCGHSA enrichment
  8. 2026-07-29 00:19 UTCEG score recompute
  9. 2026-07-29 00:19 UTCGHSA enrichment
  10. 2026-07-28 15:37 UTCEPSS rescore
  11. 2026-07-28 01:18 UTCEG score recompute
  12. 2026-07-28 01:18 UTCGHSA enrichment
  13. 2026-07-27 14:14 UTCEPSS rescore
  14. 2026-07-27 02:19 UTCEG score recompute
  15. 2026-07-27 02:19 UTCGHSA enrichment
  16. 2026-07-26 14:54 UTCEPSS rescore
  17. 2026-07-26 14:54 UTCEPSS rescore
  18. 2026-07-26 03:18 UTCEG score recompute
  19. 2026-07-26 03:17 UTCGHSA enrichment
  20. 2026-07-25 14:18 UTCEPSS rescore
  21. 2026-07-25 14:18 UTCEPSS rescore
  22. 2026-07-24 19:43 UTCEG score recompute▲ 5.40
  23. 2026-07-24 19:42 UTCGHSA enrichment
  24. 2026-07-24 19:42 UTCMITRE cvelistV5CVSS v3 → 5.4 · severity → MEDIUM
  25. 2026-07-24 14:18 UTCEPSS rescore
Show 8 more
  1. 2026-07-24 14:18 UTCEPSS rescore
  2. 2026-07-23 16:11 UTCNVD update
  3. 2026-07-23 15:36 UTCMITRE cvelistV5
  4. 2026-07-23 14:18 UTCEPSS rescore
  5. 2026-07-23 14:18 UTCEPSS rescore
  6. 2026-07-23 11:51 UTCNVD update
  7. 2026-07-23 09:25 UTCEG score recompute
  8. 2026-07-23 09:24 UTCMITRE cvelistV5first tracked

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

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