CVE-2025-50180: esm.sh is a no-build content delivery network (CDN) for web development

Q: How do I fix CVE-2025-50180?

esm.sh: upgrade to 137. Exact commands for each OS are on this page.

Q: Is CVE-2025-50180 being exploited?

CVE-2025-50180 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-50180 affect?

CVE-2025-50180 affects esm.sh. Severity is high (CVSS 7.5). esm.sh is a no-build content delivery network (CDN) for web development. In version 136, esm.sh is vulnerable to a full-response SSRF, allowing an attacker to retrieve information from internal websites through the vulnerability. Version 13

Q: How urgent is CVE-2025-50180?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2025-50180 is a high-severity flaw (CVSS 7.5) affecting esm.sh. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

esm.sh is a no-build content delivery network (CDN) for web development. In version 136, esm.sh is vulnerable to a full-response SSRF, allowing an attacker to retrieve information from internal websites through the vulnerability. Version 137 fixes the vulnerability.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-02-25
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: esm

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-25 16:23 UTCPublished CVE record published
2026-06-17 09:34 UTCUpdated Record last modified

esm esm.sh UPGRADE

Affected: < 137

Fixed in: 137

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy esm.sh || rpm -q esm.sh || esm.sh --version

2. UPGRADE to 137 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade esm.sh

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade esm.sh

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-50180?

esm.sh: upgrade to 137. Exact commands for each OS are on this page.

Is CVE-2025-50180 being exploited?

CVE-2025-50180 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-50180 affect?

CVE-2025-50180 affects esm.sh. Severity is high (CVSS 7.5). esm.sh is a no-build content delivery network (CDN) for web development. In version 136, esm.sh is vulnerable to a full-response SSRF, allowing an attacker to retrieve information from internal websites through the vulnerability. Version 13

How urgent is CVE-2025-50180?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-65025 HIGH 8.2 UPGRADE esm.sh is a nobuild content delivery network(CDN) for modern web development
CVE-2025-65026 MEDIUM 6.1 UPGRADE esm.sh is a nobuild content delivery network(CDN) for modern web development
CVE-2026-27730 HIGH 7.5 UPGRADE esm.sh is a no-build content delivery network (CDN) for web development
CVE-2026-23644 HIGH 7.5 UPGRADE esm.sh is a no-build content delivery network (CDN) for web development

References

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