CVE-2026-75337

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-28. 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 — 5 sources updated this weekElevated
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: Elevated riskExposed: 0

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

The static resource interface /api/static/{deployKey}/ of Yu AI Code Mother v4.3 is vulnerable to path traversal. The user-controlled path is concatenated to the preview root directory without any normalization, allowing anonymous attackers to read files outside the preview root.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

August 27, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 28, 2026
No patch confirmed yet.
generic

CVE/yu-ai/YU_AI_4.3_TRAVERSAL_POC.md at main · fangtang7/CVE · GitHub

https://github.com/fangtang7/CVE/blob/main/yu-ai/YU_AI_4.3_TRAVERSAL_POC.md

Vendor Advisories for CVE-2026-75337(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 20× in last 7d / 20× 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 02:47 UTCEG score recompute
  2. 2026-08-30 02:47 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-29 22:30 UTCGHSA enrichment
  5. 2026-08-29 18:13 UTCGHSA enrichment
  6. 2026-08-29 13:54 UTCGHSA enrichment
  7. 2026-08-29 09:37 UTCGHSA enrichment
  8. 2026-08-29 05:18 UTCGHSA enrichment
  9. 2026-08-29 01:01 UTCEG score recompute
  10. 2026-08-29 01:01 UTCGHSA enrichment
  11. 2026-08-28 21:42 UTCEPSS rescore
  12. 2026-08-28 20:44 UTCEG score recompute
  13. 2026-08-28 20:43 UTCGHSA enrichment
  14. 2026-08-28 19:42 UTCEG score recompute▲ 9.80
  15. 2026-08-28 19:42 UTCGHSA enrichment
  16. 2026-08-28 19:36 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  17. 2026-08-28 00:32 UTCGHSA enrichment
  18. 2026-08-28 00:26 UTCNVD update
  19. 2026-08-27 23:24 UTCEG score recompute
  20. 2026-08-27 23:22 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-75337?
CVE-2026-75337 is a critical vulnerability published on August 27, 2026. The static resource interface /api/static/{deployKey}/ of Yu AI Code Mother v4.3 is vulnerable to path traversal. The user-controlled path is concatenated to the preview root directory without any normalization, allowing anonymous attackers to read files outside the preview root.
When was CVE-2026-75337 disclosed?
CVE-2026-75337 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-75337 actively exploited?
CVE-2026-75337 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 64.9% of all scored CVEs.
What is the CVSS score of CVE-2026-75337?
CVE-2026-75337 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-75337?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-75337, 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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