CVE-2026-66474

MEDIUMPre-NVD 4.34.3
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-07-27. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

Unauthenticated Cross Site Request Forgery (CSRF) in Insert Headers and Footers Code – HT Script <= 1.1.8 versions.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 27, 2026

Advisory Details (1)

Auto-updated Jul 27, 2026
Patch available.

Vendor Advisories for CVE-2026-66474(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 22× in last 7d / 22× 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. 2026-08-02 02:27 UTCEPSS rescore
  2. 2026-08-01 15:39 UTCEG score recompute
  3. 2026-08-01 15:39 UTCGHSA enrichment
  4. 2026-08-01 04:16 UTCEPSS rescore
  5. 2026-07-31 16:27 UTCGHSA enrichment
  6. 2026-07-30 17:10 UTCEG score recompute
  7. 2026-07-30 17:10 UTCGHSA enrichment
  8. 2026-07-30 16:28 UTCEPSS rescore
  9. 2026-07-30 01:30 UTCEPSS rescore
  10. 2026-07-29 17:58 UTCGHSA enrichment
  11. 2026-07-28 18:46 UTCEG score recompute
  12. 2026-07-28 18:46 UTCGHSA enrichment
  13. 2026-07-28 15:37 UTCEPSS rescore
  14. 2026-07-27 19:31 UTCEG score recompute
  15. 2026-07-27 19:30 UTCGHSA enrichment
  16. 2026-07-27 19:06 UTCEG score recompute
  17. 2026-07-27 19:06 UTCGHSA enrichment
  18. 2026-07-27 17:49 UTCEG score recompute
  19. 2026-07-27 17:48 UTCGHSA enrichment
  20. 2026-07-27 15:22 UTCEG score recompute
  21. 2026-07-27 14:26 UTCEG score recompute
  22. 2026-07-27 14:25 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-66474?
CVE-2026-66474 is a medium vulnerability published on July 27, 2026. Unauthenticated Cross Site Request Forgery (CSRF) in Insert Headers and Footers Code – HT Script <= 1.1.8 versions.
When was CVE-2026-66474 disclosed?
CVE-2026-66474 was first published in the National Vulnerability Database on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66474 actively exploited?
CVE-2026-66474 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 99.1% of all scored CVEs.
What is the CVSS score of CVE-2026-66474?
CVE-2026-66474 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-66474?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66474, 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-2026-66474

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Is Your Infrastructure Affected by CVE-2026-66474?

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