{"cve":"CVE-2025-50180","nvd":{"published":"2026-02-25T16:23:21.173","modified":"2026-06-17T09:34:48.717","status":"Analyzed","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_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-918"],"references":["https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/internal/fetch/fetch.go#L13","https://github.com/esm-dev/esm.sh/blob/f80ff8c8d58749e77fa964abde468fc61f8bd89e/server/router.go#L511","https://github.com/esm-dev/esm.sh/commit/0593516c4cfab49ad3b4900416a8432ff2e23eb0","https://github.com/esm-dev/esm.sh/pull/1149","https://github.com/esm-dev/esm.sh/releases/tag/v137"],"products":["esm:esm.sh"],"source":"nvd","synced_at":"2026-10-19T22:24:17.937441719+00:00"},"epss":{"cve":"CVE-2025-50180","score":0.00437,"percentile":0.38014,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-3c9r-837r-qqm4","url":"https://osv.dev/vulnerability/GHSA-3c9r-837r-qqm4","summary":"esm.sh is vulnerable to full-response SSRF","modified":"2026-02-28T06:26:37.343105Z","packages":[{"ecosystem":"Go","name":"github.com/esm-dev/esm.sh","purl":"pkg:golang/github.com/esm-dev/esm.sh","ranges":["<0.0.0-20250616164159-0593516c4cfa"],"fixed":["0.0.0-20250616164159-0593516c4cfa"]}]},{"id":"GO-2026-4545","url":"https://osv.dev/vulnerability/GO-2026-4545","summary":"esm.sh is vulnerable to full-response SSRF in github.com/esm-dev/esm.sh","modified":"2026-02-25T23:41:18.108705Z","packages":[{"ecosystem":"Go","name":"github.com/esm-dev/esm.sh","purl":"pkg:golang/github.com/esm-dev/esm.sh","ranges":["<0.0.0-20250616164159-0593516c4cfa"],"fixed":["0.0.0-20250616164159-0593516c4cfa"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}