Esm-dev Esm.sh vulnerabilities

• esm-dev esm.sh esm.sh: web.NewHandler allows arbitrary file read via encoded dot-segment path traversal CVE-2026-102657 7.5 HighNovember 6, 2026
• esm-dev esm.sh esm.sh: Path Traversal via package.json browser field allows reading arbitrary server files CVE-2026-44594 Fix available 7.5 HighMay 12, 2026
• esm-dev esm.sh esm.sh: Legacy Route Path Traversal Can Lead to RCE CVE-2026-44593 Fix available 8.7 HighMay 12, 2026
• esm esm.sh esm.sh has SSRF localhost/private-network bypass in `/http(s)` module route CVE-2026-27730 Fix available 8.6 HighFebruary 25, 2026
• esm esm.sh esm.sh is vulnerable to full-response SSRF CVE-2025-50180 Fix available 8.7 HighFebruary 25, 2026
• esm esm.sh esm.sh has path traversal in `extractPackageTarball` that enables file writes from malicious packages CVE-2026-23644 Fix available 7.7 HighJanuary 18, 2026
• esm esm.sh esm.sh CDN service has JS Template Literal Injection in CSS-to-JavaScript CVE-2025-65026 Fix available 6.1 MediumNovember 19, 2025
• esm esm.sh esm.sh CDN service has arbitrary file write via tarslip CVE-2025-65025 Fix available 8.2 HighNovember 19, 2025
• esm-dev esm.sh esm.sh writes arbitrary files via path traversal in `X-Zone-Id` header CVE-2025-59342 Public exploitFix available 5.5 MediumSeptember 17, 2025
• esm-dev esm.sh Local File Inclusion in esm.sh CVE-2025-59341 7.7 HighSeptember 17, 2025