HomeCVE Intelligence › CVE-2026-66063
CVSS 9.8 CRITICAL Vulnerability

CVE-2026-66063: goshs has a Path Traversal issue

Summary The multipart upload filename fix splits on the path separator but never rejects dot-dot, allowing a write outside the served tree. Finding (Medium): upload filename escapes the served tree (residual of CVE-2026…

9.8CVSS Score
CRITICALSeverity
NOCISA KEV
VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-66063
VendorMultiple Vendors
Affected ProductMultiple Products
Vulnerability TypeVulnerability
CVSS Score9.8 (CRITICAL)
Actively Exploited❌ No known exploitation
Patch StatusPending Vendor Disclosure
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via sentinel_apex)

🔬 Technical Analysis

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Summary

The multipart upload filename fix splits on the path separator but never rejects dot-dot, allowing a write outside the served tree.

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Finding (Medium): upload filename escapes the served tree (residual of CVE-2026-35393)

The multipart filename fix (updown.go lines ... [Full analysis available on Pro]

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