{"action":"Upgrade github.com/esm-dev/esm.sh to 0.0.0-20250616164159-0593516c4cfa or later.","affected":[{"introduced":"0"}],"component":"github.com/esm-dev/esm.sh","cve_ids":["CVE-2026-27730"],"ecosystem":"Go","epss":0.00386,"exploited":false,"fixed_versions":["0.0.0-20250616164159-0593516c4cfa"],"ghsa_id":"GHSA-p2v6-84h2-5x4r","id":"tcs_01M5KGEGFZY965KKBKKMRQNZF0","modified_at":"2026-03-09T02:03:39.631999Z","published_at":"2026-02-27T02:17:00Z","references":["https://osv.dev/vulnerability/GO-2026-4554","https://github.com/esm-dev/esm.sh/security/advisories/GHSA-p2v6-84h2-5x4r","https://nvd.nist.gov/vuln/detail/CVE-2026-27730","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"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GO-2026-4554","url":"https://osv.dev/vulnerability/GO-2026-4554"},{"source":"nvd","source_id":"CVE-2026-27730","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27730"}],"summary":"esm.sh has SSRF localhost/private-network bypass in `/http(s)` module route in github.com/esm-dev/esm.sh"}