# github.com/esm-dev/esm.sh (Go) vulnerabilities

Source: https://junglewise.ai/threats/technologies/github-com-esm-dev-esm-sh  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/github-com-esm-dev-esm-sh.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 9 vulnerabilities in github.com/esm-dev/esm.sh (Go): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-44594, was published on 28 May 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 9 (0 critical, 0 exploited in the wild)

## About github.com/esm-dev/esm.sh (Go)

esm.sh is a JavaScript module delivery service that transforms and serves ES modules from npm packages.

## Latest github.com/esm-dev/esm.sh (Go) vulnerabilities

- [CVE-2026-44594: esm-dev esm.sh path traversal in package.json browser field](https://junglewise.ai/threats/cve-2026-44594-esm-dev-esm-sh-path-traversal-in-package-json-browser-field) (high, CVSS 7.5, published 28 May 2026)
- [CVE-2026-44593: esm.sh path traversal in legacy router leads to arbitrary file write](https://junglewise.ai/threats/cve-2026-44593-esm-sh-path-traversal-in-legacy-router-leads-to-arbitrary-file) (high, CVSS 4, published 28 May 2026)
- [CVE-2026-27730: GO-2026-4554 - esm.sh has SSRF localhost/private-network bypass in `/http(s)` module route in github.com/esm-dev/esm.sh](https://junglewise.ai/threats/cve-2026-27730-esm-sh-has-ssrf-localhost-private-network-bypass-in-http-s-module) (low, CVSS 3, published 27 Feb 2026)
- [CVE-2026-23644: GO-2026-4332 - esm.sh has a path traversal in extractPackageTarball enables file writes from malicious packages](https://junglewise.ai/threats/cve-2026-23644-esm-sh-has-a-path-traversal-in-extractpackagetarball-enables-file) (medium, CVSS 4, published 26 Feb 2026)
- [CVE-2025-50180: GO-2026-4545 - esm.sh is vulnerable to full-response SSRF in github.com/esm-dev/esm.sh](https://junglewise.ai/threats/cve-2025-50180-esm-sh-is-vulnerable-to-full-response-ssrf) (medium, CVSS 4, published 25 Feb 2026)
- [CVE-2025-65026: GO-2025-4139 - esm.sh CDN service has JS Template Literal Injection in CSS-to-JavaScript in github.com/esm-dev/esm.sh](https://junglewise.ai/threats/cve-2025-65026-esm-sh-cdn-service-has-js-template-literal-injection-in-css-to) (medium, CVSS 6.1, published 19 Nov 2025)
- [CVE-2025-65025: GO-2025-4138 - esm.sh CDN service has arbitrary file write via tarslip in github.com/esm-dev/esm.sh](https://junglewise.ai/threats/cve-2025-65025-esm-sh-cdn-service-has-arbitrary-file-write-via-tarslip) (high, CVSS 8.2, published 19 Nov 2025)
- [CVE-2025-59342: esm.sh has arbitrary file write via path traversal in `X-Zone-Id` header](https://junglewise.ai/threats/cve-2025-59342-esm-sh-has-arbitrary-file-write-via-path-traversal-in-x-zone-id) (medium, CVSS 4, published 17 Sep 2025)
- [CVE-2025-59341: esm.sh has File Inclusion issue](https://junglewise.ai/threats/cve-2025-59341-esm-sh-has-file-inclusion-issue) (high, CVSS 4, published 17 Sep 2025)

## Most severe github.com/esm-dev/esm.sh (Go) vulnerabilities

- [CVE-2025-65025: GO-2025-4138 - esm.sh CDN service has arbitrary file write via tarslip in github.com/esm-dev/esm.sh](https://junglewise.ai/threats/cve-2025-65025-esm-sh-cdn-service-has-arbitrary-file-write-via-tarslip) (high, CVSS 8.2, published 19 Nov 2025)
- [CVE-2026-44594: esm-dev esm.sh path traversal in package.json browser field](https://junglewise.ai/threats/cve-2026-44594-esm-dev-esm-sh-path-traversal-in-package-json-browser-field) (high, CVSS 7.5, published 28 May 2026)
- [CVE-2025-59341: esm.sh has File Inclusion issue](https://junglewise.ai/threats/cve-2025-59341-esm-sh-has-file-inclusion-issue) (high, CVSS 4, published 17 Sep 2025)
- [CVE-2026-44593: esm.sh path traversal in legacy router leads to arbitrary file write](https://junglewise.ai/threats/cve-2026-44593-esm-sh-path-traversal-in-legacy-router-leads-to-arbitrary-file) (high, CVSS 4, published 28 May 2026)
- [CVE-2025-65026: GO-2025-4139 - esm.sh CDN service has JS Template Literal Injection in CSS-to-JavaScript in github.com/esm-dev/esm.sh](https://junglewise.ai/threats/cve-2025-65026-esm-sh-cdn-service-has-js-template-literal-injection-in-css-to) (medium, CVSS 6.1, published 19 Nov 2025)
- [CVE-2025-59342: esm.sh has arbitrary file write via path traversal in `X-Zone-Id` header](https://junglewise.ai/threats/cve-2025-59342-esm-sh-has-arbitrary-file-write-via-path-traversal-in-x-zone-id) (medium, CVSS 4, published 17 Sep 2025)
- [CVE-2026-23644: GO-2026-4332 - esm.sh has a path traversal in extractPackageTarball enables file writes from malicious packages](https://junglewise.ai/threats/cve-2026-23644-esm-sh-has-a-path-traversal-in-extractpackagetarball-enables-file) (medium, CVSS 4, published 26 Feb 2026)
- [CVE-2025-50180: GO-2026-4545 - esm.sh is vulnerable to full-response SSRF in github.com/esm-dev/esm.sh](https://junglewise.ai/threats/cve-2025-50180-esm-sh-is-vulnerable-to-full-response-ssrf) (medium, CVSS 4, published 25 Feb 2026)
- [CVE-2026-27730: GO-2026-4554 - esm.sh has SSRF localhost/private-network bypass in `/http(s)` module route in github.com/esm-dev/esm.sh](https://junglewise.ai/threats/cve-2026-27730-esm-sh-has-ssrf-localhost-private-network-bypass-in-http-s-module) (low, CVSS 3, published 27 Feb 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Go technologies

- [github.com/mattermost/mattermost-server (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server): 297 vulnerabilities
- [github.com/mattermost/mattermost-server/v6 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6): 222 vulnerabilities
- [github.com/mattermost/mattermost/server/v8 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8): 207 vulnerabilities
- [github.com/mattermost/mattermost-server/v5 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5): 199 vulnerabilities
- [stdlib (Go)](https://junglewise.ai/threats/technologies/go-stdlib): 178 vulnerabilities
- [github.com/siyuan-note/siyuan/kernel (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel): 160 vulnerabilities
- [code.gitea.io/gitea (Go)](https://junglewise.ai/threats/technologies/code-gitea-io-gitea): 126 vulnerabilities
- [code.vikunja.io/api (Go)](https://junglewise.ai/threats/technologies/code-vikunja-io-api): 91 vulnerabilities
- [gogs.io/gogs (Go)](https://junglewise.ai/threats/technologies/gogs-io-gogs): 81 vulnerabilities
- [github.com/traefik/traefik/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2): 78 vulnerabilities
- [github.com/traefik/traefik (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik): 75 vulnerabilities
- [github.com/usememos/memos (Go)](https://junglewise.ai/threats/technologies/github-com-usememos-memos): 75 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "github.com/esm-dev/esm.sh (Go) vulnerabilities", https://junglewise.ai/threats/technologies/github-com-esm-dev-esm-sh, 13 November 2026.