CVE-2026-6993

MEDIUM

go-kratos http.DefaultServeMux Fallback server.go NewServer confused deputy

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 5.3
EPSS 0.0005
EPSS Percentile 14.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-441
Status published
Products (3)
go-kratos/kratos 2.9.0
go-kratos/kratos 2.9.1
go-kratos/kratos 2.9.2
Published Apr 25, 2026
Tracked Since Apr 26, 2026