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CVE-2026-38991

Quick assessment

Affected
n/a n/a
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.

Cockpit是Cockpit开源的一个交互式服务器管理界面。 Cockpit 2.13.5及之前版本存在代码问题漏洞，该漏洞源于Bucket组件中_isFileTypeAllowed函数配置不当，可能导致任意文件重命名和代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 0.54% · P44

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-38991

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cockpit 2.13.5 and earlier is affected by a misconfiguration within the Bucket component _isFileTypeAllowed function where a specially crafted filename bypasses an extension filter. This allows an authenticated attacker to rename arbitrary files with the .php file extension enabling arbitrary code to be executed on the underlying server.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Cockpit 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cockpit是Cockpit开源的一个交互式服务器管理界面。 Cockpit 2.13.5及之前版本存在代码问题漏洞，该漏洞源于Bucket组件中_isFileTypeAllowed函数配置不当，可能导致任意文件重命名和代码执行。
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
- n/a n/a -

II. Public POCs for CVE-2026-38991

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Reproduction recording is a Pro+ exclusive
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claude_code · 4865 chars
GitHub 复现环境（可 clone 直接跑）
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-38991

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Vendor Pages for CVE-2026-38991 (1)

Same Patch Batch · n/a · 2026-04-29 · 14 CVEs total

CVE-2026-7389 7.3 HIGH EyouCMS common.php GetSortData sql injection
CVE-2026-7388 4.7 MEDIUM EyouCMS Template File FilemanagerLogic.php editFile code injection
CVE-2026-36837 TOTOLINK A3002RU 安全漏洞
CVE-2026-36841 TOTOLINK N200RE 命令注入漏洞
CVE-2026-38992 Cockpit 安全漏洞
CVE-2026-38993 Cockpit 路径遍历漏洞
CVE-2026-37555 libsndfile 输入验证错误漏洞
CVE-2026-30769 EnTech Taiwan TVicPort 输入验证错误漏洞
CVE-2025-56536 OpenNebula 跨站脚本漏洞
CVE-2025-56534 OpenNebula 跨站脚本漏洞
CVE-2025-56537 OpenNebula 跨站脚本漏洞
CVE-2025-56535 OpenNebula 跨站脚本漏洞
CVE-2025-50328 B1FREE 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-38991

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