CVE-2025-50180

7.5 HIGH
Published: February 25, 2026 Modified: February 27, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/internal/fetch/fetch.go#L13
Source: security-advisories@github.com
Patch
https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/server/router.go#L511
Source: security-advisories@github.com
Patch
https://github.com/esm-dev/esm.sh/commit/0593516c4cfab49ad3b4900416a8432ff2e23eb0
Source: security-advisories@github.com
Patch
https://github.com/esm-dev/esm.sh/pull/1149
Source: security-advisories@github.com
Issue Tracking Patch
https://github.com/esm-dev/esm.sh/releases/tag/v137
Source: security-advisories@github.com
Product Release Notes
https://github.com/esm-dev/esm.sh/security/advisories/GHSA-3c9r-837r-qqm4
Source: security-advisories@github.com
Exploit Mitigation Patch Vendor Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.0%
13th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-918

Affected Vendors

esm

Related CVEs

CVE-2019-25582 6.5
CVE-2019-25581 8.2
CVE-2019-25580 8.2
CVE-2019-25579 7.5
CVE-2019-25578 8.2