CVE-2025-59341— Local File Inclusion in esm.sh
Quick assessment
Affected
esm-dev esm.sh
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.
esm.sh是esm.sh开源的一个内容分发网络。 esm.sh 136及之前版本存在安全漏洞，该漏洞源于服务URL处理不当，可能导致本地文件包含攻击。
Public Exploits 1
Nuclei · 1
CVE-2025-59341.yaml [template]
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1083 · File and Directory Discovery
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I. Basic Information for CVE-2025-59341
Vulnerability Information
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Vulnerability Title
Local File Inclusion in esm.sh
Source: CVE Program / CVE List V5
Vulnerability Description
esm.sh is a nobuild content delivery network(CDN) for modern web development. In 136 and earlier, a Local File Inclusion (LFI) issue was identified in the esm.sh service URL handling. An attacker could craft a request that causes the server to read and return files from the host filesystem (or other unintended file sources).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
esm.sh 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
esm.sh是esm.sh开源的一个内容分发网络。 esm.sh 136及之前版本存在安全漏洞，该漏洞源于服务URL处理不当，可能导致本地文件包含攻击。
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
II. Public POCs for CVE-2025-59341
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | esm.sh <= 136 contains a local file inclusion caused by improper URL handling, letting attackers read arbitrary files from the host filesystem remotely, exploit requires crafted request. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-59341.yaml | POC Details |
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IV. Related Vulnerabilities
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esm.sh: Legacy Route Path Traversal Can Lead to RCE -
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esm.sh has SSRF localhost/private-network bypass in `/http(s -
CVE-2025-50180
esm.sh is vulnerable to full-response SSRF -
CVE-2026-23644
esm.sh has path traversal in `extractPackageTarball` that en
Same weakness: CWE-23
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V. Comments for CVE-2025-59341
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