Path Traversal in github.com/patrickhener/goshs (CVE-2026-35393)
Summary
Path traversal in github.com/patrickhener/goshs (CVE-2026-35393). Successful exploitation can lead to full system takeover. Exploitable via req.URL.Path. Mitigation: upgrade to 1.1.5-0.20260401172448-237f3af891a9 or later.
Original description
The description as published by the source.
goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.3, the POST multipart upload directory not sanitized. This vulnerability is fixed in 2.0.0-beta.3.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-35393 has been found in github.com/patrickhener/goshs.
Attackers can target a specific entry point like req.URL.Path over the network to misuse the product.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: upgrade github.com/patrickhener/goshs to 1.1.5-0.20260401172448-237f3af891a9 or later.
If unsure, ask your IT team or search "github.com/patrickhener/goshs CVE-2026-35393" on the vendor's site.
CVE-2026-35393 (github.com/patrickhener/goshs) — CWE-22 / CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: req.URL.Path / filename / return
Patched: 1.1.5-0.20260401172448-237f3af891a9 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Path traversal (CWE-22) exists in github.com/patrickhener/goshs. Attackers reach the vulnerable code path via req.URL.Path without authentication.
Check the vendor advisory for the affected versions of github.com/patrickhener/goshs. Attack surface: req.URL.Path / filename / return.
Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover.
Update to 1.1.5-0.20260401172448-237f3af891a9.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'github.com/patrickhener/goshs' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'github.com/patrickhener/goshs' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
github.com/patrickhener/goshsを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade github.com/patrickhener/goshs to 1.1.5-0.20260401172448-237f3af891a9ステージング環境で 1.1.5-0.20260401172448-237f3af891a9 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
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3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory github.com
- advisory nvd.nist.gov
- advisory github.com
- package github.com