Description
esm.sh is a no-build content delivery network (CDN) for web development. In version 136, esm.sh is vulnerable to a full-response SSRF, allowing an attacker to retrieve information from internal websites through the vulnerability. Version 137 fixes the vulnerability.
Published: 2026-02-25
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-3c9r-837r-qqm4 esm.sh is vulnerable to full-response SSRF
History

Fri, 27 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 27 Feb 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Esm
Esm esm.sh
CPEs cpe:2.3:a:esm:esm.sh:*:*:*:*:*:*:*:*
Vendors & Products Esm
Esm esm.sh
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


Thu, 26 Feb 2026 13:30:00 +0000

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

Wed, 25 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Description esm.sh is a no-build content delivery network (CDN) for web development. In version 136, esm.sh is vulnerable to a full-response SSRF, allowing an attacker to retrieve information from internal websites through the vulnerability. Version 137 fixes the vulnerability.
Title esm.sh is vulnerable to full-response SSRF
Weaknesses CWE-918
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-27T18:22:28.728Z

Reserved: 2025-06-13T19:17:51.726Z

Link: CVE-2025-50180

cve-icon Vulnrichment

Updated: 2026-02-27T18:22:25.592Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-25T16:23:21.173

Modified: 2026-02-27T17:44:36.470

Link: CVE-2025-50180

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-26T13:15:50Z

Weaknesses