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CVE-2026-64863— goshs --no-delete WebDAV MOVE bypass allows file deletion/overwrite

Quick assessment

Affected
goshs-labs goshs
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

goshs-labs goshs是goshs-labs组织的一个Web服务器软件。 goshs-labs goshs 2.1.4之前版本存在权限许可和访问控制问题漏洞，该漏洞源于对WebDAV MOVE方法处理不当，未强制执行--no-delete，允许WebDAV客户端删除或覆盖文件。

CVSS 9.1 · Critical EPSS 0.63% · P48

Affected Version Matrix 1

VendorProduct Version RangeStatus
goshs-labs goshs < 2.1.4 affected
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I. Basic Information for CVE-2026-64863

Vulnerability Information
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Vulnerability Title
goshs --no-delete WebDAV MOVE bypass allows file deletion/overwrite
Source: CVE Program / CVE List V5
Vulnerability Description
goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.4, the httpserver/server.go wdGuard handled WebDAV MOVE as a write-only method and did not enforce --no-delete, allowing WebDAV clients to delete or overwrite files via MOVE with Overwrite: T. This issue is fixed in version 2.1.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
goshs-labs goshs 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
goshs-labs goshs是goshs-labs组织的一个Web服务器软件。 goshs-labs goshs 2.1.4之前版本存在权限许可和访问控制问题漏洞，该漏洞源于对WebDAV MOVE方法处理不当，未强制执行--no-delete，允许WebDAV客户端删除或覆盖文件。
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
goshs-labs goshs < 2.1.4 -

II. Public POCs for CVE-2026-64863

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8832 chars
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In-depth vulnerability mechanism
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-64863

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Patches & Fixes for CVE-2026-64863 (1)

Vendor Advisories for CVE-2026-64863 (1)

Vendor Pages for CVE-2026-64863 (1)

Same Patch Batch · goshs-labs · 2026-07-28 · 5 CVEs total

CVE-2026-62325 9.1 CRITICAL goshs SFTP authentication bypass via empty password (incomplete fix of CVE-2026-40884)
CVE-2026-54719 7.5 HIGH goshs: File-based .goshs ACL authorization bypass via the ?bulk zip-download route (unauth
CVE-2026-66063 6.5 MEDIUM goshs has a Path Traversal issue
CVE-2026-66064 5.3 MEDIUM goshs has ACL Bypass & Path Traversal

IV. Related Vulnerabilities

Same product: goshs
Same vendor: goshs-labs
Same weakness: CWE-284

V. Comments for CVE-2026-64863

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