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CVE-2025-59341

Local File Inclusion in esm.sh

HIGH
7.7
CVSS Score
Published: September 17, 2025 at 05:55 PM UTC
Updated: June 17, 2026 at 09:45 AM UTC
1 product affected across 1 vendorEsm.sh

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Severity
HIGH7.7
Exploit prediction
EPSS 2%
SSVC
PoC

Description

esm.sh is a nobuild content delivery network(CDN) for modern web development. In 136 and earlier, a Local File Inclusion (LFI) issue was identified in the esm.sh service URL handling. An attacker could craft a request that causes the server to read and return files from the host filesystem (or other unintended file sources).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Esm.sh· Esm Devnpm
60%
<= 136

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_CONFIRM
Source: cverecord
https://github.com/esm-dev/esm.sh/security/advisories/GHSA-49pv-gwxp-532r
x_refsource_MISC
Source: cverecord
https://github.com/esm-dev/esm.sh/blob/c62f191d32639314ff0525d1c3c0e19ea2b16143/server/router.go#L1168

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.7HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-23

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