CVE-2026-44594

Published: Mag 28, 2026 Last Modified: Mag 28, 2026

ExploitDB:

Other exploit source:

Google Dorks:

HIGH 7,5

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: none

User Interaction: none

Scope: unchanged

Confidentiality: high

Integrity: none

Availability: none

Description

AI Translation Available

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.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Stable

Abstraction: Base Structure: Simple

Common Consequences

Security Scopes Affected:

Integrity Confidentiality Availability

Potential Impacts:

Execute Unauthorized Code Or Commands Modify Files Or Directories Read Files Or Directories Dos: Crash, Exit, Or Restart

Applicable Platforms

Technologies: AI/ML

Likelihood of Exploit: High

View CWE Details

https://github.com/esm-dev/esm.sh/security/advisories/GHSA-…

https://github.com/esm-dev/esm.sh/security/advisories/GHSA-rg65-45m7-hq57