CVE-2026-35392

CRITICALNVD 9.89.8—Elevated

9.8

goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.3, PUT upload in httpserver/updown.go has no path sanitization. This vulnerability is fixed in 2.0.0-beta.3.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 18.6%
KEV: Not listed

Published

April 6, 2026

Last Modified

April 9, 2026

Advisory Details (1)

Auto-updated May 20, 2026

🔬 Proof of concept available. Patch available. Sources: github.

github Patch Available🟡 PoC Available

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in goshs PUT Upload · Advisory · patrickhener/goshs · GitHub

https://github.com/patrickhener/goshs/security/advisories/GHSA-g8mv-vp7j-qp64

Affected Packages

(1 across 1 ecosystem)

Go(1)

Package	Vulnerable range	Fixed in	Dependents
github.com/patrickhener/goshs	—	1.1.5-0.20260401172448-237f3af891a9	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-22Path Traversal

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-23 00:08 UTCEG score recompute
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 18:49 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-35392?

CVE-2026-35392 is a critical vulnerability published on April 6, 2026. goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.3, PUT upload in httpserver/updown.go has no path sanitization. This vulnerability is fixed in 2.0.0-beta.3.

When was CVE-2026-35392 disclosed?

CVE-2026-35392 was first published in the National Vulnerability Database on April 6, 2026, with the most recent update on April 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-35392 actively exploited?

CVE-2026-35392 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-35392?

CVE-2026-35392 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2026-35392?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35392, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-35392

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CVE-2026-35392

📅 Published

🔄 Last Modified

📋 Advisory Details (1)