8.7

CVE-2025-50180: esm-dev esm.sh Server-Side Request Forgery (SSRF)

CVSS: 8.7v4.0HighAnalyzed
AliasesGHSA-3c9r-837r-qqm4GO-2026-4545
Published 25-02-2026Last modified 27-02-2026

Vulnerability summary

CVE-2025-50180 is a high (CVSS 8.7) Server-Side Request Forgery (SSRF) vulnerability in esm-dev esm.sh. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
0.40%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 25-02-2026
    PublishedVulnerability first disclosed.
  2. 27-02-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

+0.01 pp

From 0.38% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Esm.Sh

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Esm1 product
Esm-dev1 product
Github.com/esm-dev1 product
  • esm.sh< 0.0.0-20250616164159-0593516c4cfa

3 vendors · 3 products

References

8 links