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CVE-2026-38600VulnerabilityPublished

gohttpserver · Zip Slip Vulnerability

Affects gohttpserverSource GCVE Database

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Authoritative record:CVE-2026-38600· High

Not known to be exploited.

Data as of 3 Nov 2026, 19:33 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Affects
codeskyblue gohttpserver through 1.3.0

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Gogithub.com/codeskyblue/gohttpserverpkg:golang/github.com/codeskyblue/gohttpserverOther threatsAffected
  • <=1.3.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is available, restrict access to the /upload endpoint and validate or sanitize uploaded Zip archives to prevent directory traversal.

Description

A Zip Slip vulnerability exists in the /upload endpoint of codeskyblue gohttpserver versions through 1.3.0. This flaw allows attackers to write arbitrary files on the server by uploading a specially crafted Zip archive.

References

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