{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/esm-dev/esm.sh","cve_ids":["CVE-2025-59342"],"ecosystem":"Go","epss":0.03153,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-g2h5-cvvr-7gmw","id":"tcs_01M5KGAFWRJ7EJT0QQ2C99BZAN","modified_at":"2026-03-03T04:56:55.361146Z","published_at":"2025-09-24T19:21:37Z","references":["https://osv.dev/vulnerability/GO-2025-3967","https://github.com/esm-dev/esm.sh/security/advisories/GHSA-g2h5-cvvr-7gmw","https://nvd.nist.gov/vuln/detail/CVE-2025-59342","https://github.com/esm-dev/esm.sh/commit/833a29f42aeb0acbd7089a71be11dd0a292d3151","https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L116","https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L411"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"GO-2025-3967","url":"https://osv.dev/vulnerability/GO-2025-3967"},{"source":"nvd","source_id":"CVE-2025-59342","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59342"}],"summary":"esm.sh has arbitrary file write via path traversal in `X-Zone-Id` header in github.com/esm-dev/esm.sh"}