CVE-2026-6993Confused Deputy in Kratos

Severity
5.5MEDIUMNVD
EPSS
0.0%
top 89.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 25

Description

A security flaw has been discovered in go-kratos kratos up to 2.9.2. This impacts the function NewServer of the file transport/http/server.go of the component http.DefaultServeMux Fallback Handler. The manipulation results in unintended intermediary. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as 0284a5bcf92b5a7ee015300ce3051baf7ae4718d. Applying a patch is advised to resolve this issue.

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

🔴Vulnerability Details

1
VulDB
go-kratos up to 2.9.2 http.DefaultServeMux Fallback transport/http/server.go NewServer confused deputy (Issue 3810)2026-04-24

📋Vendor Advisories

1
Red Hat
net/http: golang: github.com/go-kratos/kratos: go-kratos kratos: Information disclosure via unintended HTTP server intermediary2026-04-25

💬Community

1
Bugzilla
CVE-2026-6993 net/http: golang: github.com/go-kratos/kratos: go-kratos kratos: Information disclosure via unintended HTTP server intermediary2026-04-25
CVE-2026-6993 — Confused Deputy in Go-kratos Kratos | cvebase