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Vulnerabilities

Vulnerability · CVE-2025-59341

esm.sh is a nobuild content delivery network(CDN) for modern web development.

Published Sep 17, 2025 · catalog updated Sep 17, 2025 · esm.sh is a nobuild

Last checked Oct 23, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-59341. EPSS is 1.64%. Act only if a listed version of esm.sh is a nobuild is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (esm.sh is a nobuild).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.64%
Remediation
Advisory link
Affected products
vendor esm-dev esm.sh ≤ 136

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).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor esm-dev esm.sh ≤ 136≤ 136

How to fix CVE-2025-59341

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-59341. EPSS is 1.64%. Act only if a listed version of esm.sh is a nobuild is installed.

Which versions are affected?

Compare what you have installed with esm-dev esm.sh ≤ 136 ≤ 136. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.64%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 17, 2025 · EUVD

    Detected

    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).

  2. Sep 17, 2025 · EUVD

    Updated

    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).

Sources

  • CVE.orgVulnerability recordCVE-2025-59341

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59341

    30-day exploitation probability 1.64%

    first.org
  • EUVDVulnerability recordEUVD-2025-29745

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026