# CVE-2026-38600: CVE-2026-38600

Status: published. Published: 2026-11-03. Updated: 2026-11-03.

A Zip Slip vulnerability in the /upload endpoint of codeskyblue gohttpserver through v1.3.0 allows attackers to write arbitrary files via uploading a crafted Zip archive.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / n/a: Version not specified (affected). Source: CNA: mitre

## Severity and prioritization

- CVSS 3.1: 9.8 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: ADP: CISA-ADP

- CVSS 3.1: 9.8 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation poc; automatable yes; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-22

## Exploit evidence

- exploit: https://github.com/Den-Sec/security-research/blob/master/advisories/gohttpserver/VDR-001-zipslip.md (ADP: CISA-ADP)

## References

- https://security.snyk.io/research/zip-slip-vulnerability (CNA: mitre)

- https://github.com/codeskyblue/gohttpserver (CNA: mitre)

- https://github.com/codeskyblue/gohttpserver/issues/232 (CNA: mitre)

- https://github.com/Den-Sec/security-research/blob/master/advisories/gohttpserver/VDR-001-zipslip.md (CNA: mitre)

- https://github.com/Den-Sec/security-research/blob/master/advisories/gohttpserver/VDR-001-zipslip.md (ADP: CISA-ADP; exploit)

- https://github.com/Den-Sec/security-research/blob/master/advisories/gohttpserver/VDR-001-zipslip.md (cve@mitre.org)

- https://github.com/codeskyblue/gohttpserver (cve@mitre.org)

- https://github.com/codeskyblue/gohttpserver/issues/232 (cve@mitre.org)

- https://security.snyk.io/research/zip-slip-vulnerability (cve@mitre.org)

- https://github.com/Den-Sec/security-research/blob/master/advisories/gohttpserver/VDR-001-zipslip.md (134c704f-9b21-4f2e-91b3-4a467353bcc0)

## Provenance

- CNA: mitre: https://www.cve.org/CVERecord?id=CVE-2026-38600; retrieved 2026-11-03; source updated 2026-11-03

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-38600; retrieved 2026-11-04; source updated 2026-11-03

Revision: b905a90d334b0f75021e3c0d90b444a1a1710b0709f4dd484f01a66d442a49bc

Canonical: https://y2.dev/cve/CVE-2026-38600

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.