Skip to content
Fencer Vulns
critical 9.8

CVE-2026-38600 json

A Zip Slip vulnerability in the /upload endpoint of codeskyblue gohttpserver through v1.3.0 allows attackers to write arbitrary files via u…

published 2026-11-03 6 d ago modified 2026-11-03 5 d ago also EUVD-2026-116107

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
5 d ago

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Den-Sec/security-research/blob/master/advisories/gohttpserver/VDR-001-zipslip.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.