CVE-2026-40883— goshs: CSRF in state-changing GET routes enables authenticated file deletion and directory creation
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I. Basic Information for CVE-2026-40883
Vulnerability Information
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Vulnerability Title
goshs: CSRF in state-changing GET routes enables authenticated file deletion and directory creation
Source: NVD (National Vulnerability Database)
Vulnerability Description
goshs is a SimpleHTTPServer written in Go. From 2.0.0-beta.4 to 2.0.0-beta.5, goshs contains a cross-site request forgery issue in its state-changing HTTP GET routes. An external attacker can cause an already authenticated browser to trigger destructive actions such as ?delete and ?mkdir because goshs relies on HTTP basic auth alone and performs no CSRF, Origin, or Referer validation for those routes. This vulnerability is fixed in 2.0.0-beta.6.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
goshs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
goshs是Patrick Hener个人开发者的一个用Go编写的简单HTTP Server。 goshs 2.0.0-beta.4至2.0.0-beta.5版本存在安全漏洞，该漏洞源于状态变更的HTTP GET路由缺乏CSRF、Origin或Referer验证，可能导致外部攻击者触发已认证浏览器执行破坏性操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| patrickhener | goshs | >= 2.0.0-beta.4, < 2.0.0-beta.6 | - |
II. Public POCs for CVE-2026-40883
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · patrickhener · 2026-04-21 · 5 CVEs total
| CVE-2026-40884 | 9.8 CRITICAL | goshs: Empty-username SFTP password authentication bypass in goshs |
| CVE-2026-40903 | 9.1 CRITICAL | Goshs - ArtiPACKED Vulnerability – GitHub Actions Credential Persistence |
| CVE-2026-40876 | SFTP root escape via prefix-based path validation in goshs | |
| CVE-2026-40885 | goshs: Public collaborator feed leaks .goshs ACL credentials and enables unauthorized acce |
IV. Related Vulnerabilities
Same product: goshs
- CVE-2026-42091
goshs has Cross-Origin Arbitrary File Write via Missing CSRF - CVE-2026-40903
Goshs - ArtiPACKED Vulnerability – GitHub Actions Credential - CVE-2026-40885
goshs: Public collaborator feed leaks .goshs ACL credentials - CVE-2026-40884
goshs: Empty-username SFTP password authentication bypass in - CVE-2026-40876
SFTP root escape via prefix-based path validation in goshs
Same vendor: patrickhener
- CVE-2026-42091
goshs has Cross-Origin Arbitrary File Write via Missing CSRF - CVE-2026-40903
Goshs - ArtiPACKED Vulnerability – GitHub Actions Credential - CVE-2026-40885
goshs: Public collaborator feed leaks .goshs ACL credentials - CVE-2026-40884
goshs: Empty-username SFTP password authentication bypass in - CVE-2026-40876
SFTP root escape via prefix-based path validation in goshs
Same weakness: CWE-352
- CVE-2021-47953
OpenCart 3.0.3.7 Cross-Site Request Forgery via account/pass - CVE-2021-47946
OpenCart 3.0.3.6 Account Takeover via Cross Site Request For - CVE-2022-50955
WordPress Plugin Curtain 1.0.2 Cross-site Request Forgery - CVE-2026-8194
osTicket Dispatcher class.dispatcher.php cross-site request - CVE-2026-42286
Emlog: Cross-Site Request Forgery in Admin Functions
V. Comments for CVE-2026-40883
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