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).

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0009.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Esm-dev
  • Esmsh

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Esm-dev
  • Esmsh
Advisories
Source ID Title
EUVD EUVD EUVD-2025-29745 esm.sh has File Inclusion issue
Github GHSA Github GHSA GHSA-49pv-gwxp-532r esm.sh has File Inclusion issue
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/esm-dev/esm.sh/blob/c62f191d32639314ff0525d1c3c0e19ea2b16143/server/router.go#L1168 cve-icon cve-icon
https://github.com/esm-dev/esm.sh/security/advisories/GHSA-49pv-gwxp-532r cve-icon cve-icon
History

Thu, 18 Sep 2025 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Esm-dev
Esm-dev esmsh
Vendors & Products Esm-dev
Esm-dev esmsh

Wed, 17 Sep 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 17 Sep 2025 18:00:00 +0000

Type Values Removed Values Added
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).
Title Local File Inclusion in esm.sh
Weaknesses CWE-23
References
Metrics cvssV4_0

{'score': 7.7, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-09-17T18:09:50.796Z

Reserved: 2025-09-12T12:36:24.635Z

Link: CVE-2025-59341

cve-icon Vulnrichment

Updated: 2025-09-17T18:08:00.532Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-17T18:15:53.393

Modified: 2025-09-18T13:43:34.310

Link: CVE-2025-59341

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-18T12:41:13Z