VDB
GO-2026-4554
GO-2026-4554
PUBLISHED
CVSS 8.699999809265137 HIGH
esm.sh has SSRF localhost/private-network bypass in `/http(s)` module route in github.com/esm-dev/esm.sh
Risk Scores
CVSS v4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:L/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | esm-dev/esm.sh | 0, 0 |
Timeline
- Feb 27, 2026 CVE Published
- Mar 9, 2026 CVE Updated
- May 1, 2026 Security Advisory
References
- https://github.com/esm-dev/esm.sh/security/advisories/GHSA-p2v6-84h2-5x4r advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-27730 advisory
- https://github.com/esm-dev/esm.sh/commit/0593516c4cfab49ad3b4900416a8432ff2e23eb0 patch
- https://github.com/esm-dev/esm.sh/pull/1149 patch
- https://github.com/esm-dev/esm.sh/releases/tag/v137 url