Vulnerability · Published Nov 3, 2026 · Assigned by mitre

CVE-2026-38600

Critical 9.8

In plain English

A critical-severity path traversal in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.6%top 49.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://security.snyk.io/research/zip-slip-vulnerability
https://github.com/codeskyblue/gohttpserver
https://github.com/codeskyblue/gohttpserver/issues/232
https://github.com/Den-Sec/security-research/blob/master/advisories/gohttpserver/VDR-001-zipslip.md