CVE•Published 2026-07-28•Modified 2026-07-29•0 articles on news•5 live references•NVD data
CVE-2026-66063
Vulnerability data via NVD (ingested)
CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS percentile
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Weaknesses (CWE)
Description
goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.5, the httpserver/updown.go multipart upload handler split part.FileName() on / but did not reject .., allowing an unauthenticated upload with filename .. to create a file outside the served tree. This issue is fixed in version 2.1.5.
Timeline
Published 2026-07-28
Modified 2026-07-29
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-66063Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-66063Censys host search filtered to this CVE id.
grep.app
CVE-2026-66063Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-66063GitHub code search for direct mentions.
Google dork
"CVE-2026-66063" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-66063 on GitHub.
We haven't classified any articles referencing CVE-2026-66063 yet. The external references above still apply.