7.7

CVE-2025-59341: esm-dev esm.sh Relative Path Traversal

CVSS: 7.7v4.0HighDeferred
AliasesGHSA-49pv-gwxp-532rGO-2025-3962
Published 17-09-2025Last modified 17-09-2025
Open JSON

Vulnerability summary

CVE-2025-59341 is a high (CVSS 7.7) Relative Path Traversal vulnerability in esm-dev esm.sh. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 75.9% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.7/10
010
High · v4.0 (CVE.org)
EPSS score
1.64%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2025:15576-1OPENSUSE-SU-2026:21483-1SUSE-SU-2025:3799-1

Timeline

  1. 17-09-2025
    PublishedVulnerability first disclosed.
  2. 17-09-2025
    Last modifiedVulnerability information updated.

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).

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.64%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.64% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Esm-dev1 product
Github.com/esm-dev1 product
  • esm.sh≤ 136 | All versions (No fix recorded)

2 vendors · 2 products

References

6 links