CVE-2026-76597

HIGHPre-NVD 8.78.7—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 72% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.7Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Joomla Extension - fabrikar.com - Unauthenticated arbitrary file upload to web root via list email plugin in Fabrik < 4.7.2 - The list email plugin controller allows to upload non-executable files to the webroot.

CVSS v3
8.7
EG Score
8.7(medium)
EG Risk
54(Track)
EG Risk 54/100SSVC: 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
Severity87% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
28%
KEV
Not listed

Published

August 22, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 22, 2026
No patch confirmed yet.
generic

Fabrik - Joomla Custom Website Application Builder - Home

https://www.fabrikar.com/

Vendor Advisories for CVE-2026-76597(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 27× in last 7d / 31× 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. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 20:30 UTCGHSA enrichment
  3. 2026-08-29 08:00 UTCEG score recompute
  4. 2026-08-29 08:00 UTCGHSA enrichment
  5. 2026-08-28 21:42 UTCEPSS rescore
  6. 2026-08-28 19:26 UTCGHSA enrichment
  7. 2026-08-28 06:47 UTCGHSA enrichment
  8. 2026-08-27 18:17 UTCEG score recompute
  9. 2026-08-27 18:16 UTCGHSA enrichment
  10. 2026-08-27 14:25 UTCEPSS rescore
  11. 2026-08-27 05:16 UTCGHSA enrichment
  12. 2026-08-26 16:45 UTCGHSA enrichment
  13. 2026-08-26 16:24 UTCEG score recompute
  14. 2026-08-26 16:24 UTCGHSA enrichment
  15. 2026-08-26 14:47 UTCEPSS rescore
  16. 2026-08-26 03:54 UTCGHSA enrichment
  17. 2026-08-25 15:25 UTCEG score recompute
  18. 2026-08-25 15:25 UTCGHSA enrichment
  19. 2026-08-25 13:49 UTCEPSS rescore
  20. 2026-08-25 02:55 UTCGHSA enrichment
  21. 2026-08-24 14:24 UTCEG score recompute
  22. 2026-08-24 14:24 UTCGHSA enrichment
  23. 2026-08-24 14:18 UTCEPSS rescore
  24. 2026-08-24 13:22 UTCEG score recompute
  25. 2026-08-24 13:22 UTCGHSA enrichment
Show 6 more
  1. 2026-08-24 04:54 UTCGHSA enrichment
  2. 2026-08-23 16:23 UTCGHSA enrichment
  3. 2026-08-23 03:54 UTCGHSA enrichment
  4. 2026-08-22 15:24 UTCEG score recompute
  5. 2026-08-22 14:26 UTCEG score recompute
  6. 2026-08-22 14:25 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-76597?
CVE-2026-76597 is a high vulnerability published on August 22, 2026. Joomla Extension - fabrikar.com - Unauthenticated arbitrary file upload to web root via list email plugin in Fabrik < 4.7.2 - The list email plugin controller allows to upload non-executable files to the webroot.
When was CVE-2026-76597 disclosed?
CVE-2026-76597 was first published in the National Vulnerability Database on August 22, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76597 actively exploited?
CVE-2026-76597 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 72.0% of all scored CVEs.
What is the CVSS score of CVE-2026-76597?
CVE-2026-76597 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2026-76597?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-76597, 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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