HOMEVULNERABILITIESCVE-2025-50180
HIGH

CVE-2025-50180

CWE-918Published: February 25, 2026· Updated: Feb 27, 2026

7.5
CVSS v3.1
EPSS:0.05%probability of exploitation in 30 daysPercentile:15.1th

Official Description

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.

NVD Source

Technical Analysis

CVE-2025-50180 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

esm1 product
esm.sh
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/internal/fetch/fetch.go#L13
PATCHhttps://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/server/router.go#L511
PATCHhttps://github.com/esm-dev/esm.sh/commit/0593516c4cfab49ad3b4900416a8432ff2e23eb0
PATCHhttps://github.com/esm-dev/esm.sh/pull/1149
PATCHhttps://github.com/esm-dev/esm.sh/security/advisories/GHSA-3c9r-837r-qqm4

All References (6)

→
https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/internal/fetch/fetch.go#L13Patch
→
https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/server/router.go#L511Patch
→
https://github.com/esm-dev/esm.sh/commit/0593516c4cfab49ad3b4900416a8432ff2e23eb0Patch
→
https://github.com/esm-dev/esm.sh/pull/1149Issue Tracking · Patch
→
https://github.com/esm-dev/esm.sh/releases/tag/v137Product · Release Notes
→
https://github.com/esm-dev/esm.sh/security/advisories/GHSA-3c9r-837r-qqm4Exploit · Mitigation · Patch · Vendor Advisory

Quick Facts

CVE IDCVE-2025-50180
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-918
CISA KEVNo
EPSS (30d)0.05%
Affected1 vendor
PublishedFeb 25, 2026

Related CVEs (CWE-918)

CVE-2026-32186
10.0
CVE-2026-32871
10.0
CVE-2026-2053
10.0
CVE-2026-13773
10.0
CVE-2026-47938
10.0
CVE-2026-32169
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-50180 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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