Vulnerability DatabaseCVE-2025-50180
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CVE-2025-50180
February 25, 2026
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.
Affected Packages
https://github.com/esm-dev/esm.sh.git (GITHUB):
Affected version(s) >=v34 <v136_1
Fix Suggestion:
Update to version v136_1
https://github.com/esm-dev/esm.sh.git (GITHUB):
Affected version(s) >=v34 <v136_1
Fix Suggestion:
Update to version v136_1
https://github.com/esm-dev/esm.sh.git (GITHUB):
Affected version(s) >=v34 <v136_1
Fix Suggestion:
Update to version v136_1
https://github.com/esm-dev/esm.sh.git (GITHUB):
Affected version(s) >=v34 <v136_1
Fix Suggestion:
Update to version v136_1
github.com/esm-dev/esm.sh (GO):
Affected version(s) >=v0.0.0-20240514002037-19735e27aaf9 <v0.0.0-20250616164159-0593516c4cfa
Fix Suggestion:
Update to version v0.0.0-20250616164159-0593516c4cfa
github.com/esm-dev/esm.sh (GO):
Affected version(s) >=v0.0.0-20240514002037-19735e27aaf9 <v0.0.0-20250616164159-0593516c4cfa
Fix Suggestion:
Update to version v0.0.0-20250616164159-0593516c4cfa
github.com/esm-dev/esm.sh (GO):
Affected version(s) >=v0.0.0-20240514002037-19735e27aaf9 <v0.0.0-20250616164159-0593516c4cfa
Fix Suggestion:
Update to version v0.0.0-20250616164159-0593516c4cfa
github.com/esm-dev/esm.sh (GO):
Affected version(s) >=v0.0.0-20240514002037-19735e27aaf9 <v0.0.0-20250616164159-0593516c4cfa
Fix Suggestion:
Update to version v0.0.0-20250616164159-0593516c4cfa
Related Resources (8)
https://github.com/esm-dev/esm.sh/security/advisories/GHSA-3c9r-837r-qqm4
https://github.com/esm-dev/esm.sh/commit/0593516c4cfab49ad3b4900416a8432ff2e23eb0
https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/server/router.go#L511
https://nvd.nist.gov/vuln/detail/CVE-2025-50180
https://github.com/esm-dev/esm.sh/releases/tag/v137
https://github.com/esm-dev/esm.sh/pull/1149
https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/internal/fetch/fetch.go#L13
https://github.com/esm-dev/esm.sh
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
CWE-918
EPSS
Base Score:
0.04