Go/github.com/esm-dev/esm.sh CVE-2025-59342: medium 5.5, EPSS 3.15%

esm.sh has arbitrary file write via path traversal in `X-Zone-Id` header

Action: Upgrade github.com/esm-dev/esm.sh to 136.1 or later.

go get github.com/esm-dev/esm.sh@v136.1

Affected

Fixed versions

Sources

• osv: GHSA-g2h5-cvvr-7gmw
• nvd: CVE-2025-59342
• https://github.com/esm-dev/esm.sh/security/advisories/GHSA-g2h5-cvvr-7gmw
• https://github.com/esm-dev/esm.sh/commit/833a29f42aeb0acbd7089a71be11dd0a292d3151
• https://github.com/esm-dev/esm.sh
• 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
• https://pkg.go.dev/vuln/GO-2025-3967

CVE-2025-59342 · published 2025-09-17T19:03:05Z · modified 2026-09-10T03:50:28.407413552Z · JSON