Security Advisory

CVE-2026-44594

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-28 14:45:04

Last updated 2026-05-28 15:31:19

Assigner GitHub_M

CVSS score 7.5

State PUBLISHED

Description

esm.sh is a no-build content delivery network (CDN) for web development. In 137 and earlier, a Local File Inclusion (LFI) vulnerability exists in the esbuild plugin's handling of the browser field in package.json. An attacker can publish an npm package that causes the server to read and return arbitrary files from the host filesystem during the build process.

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