CVE-2026-6993
MEDIUMgo-kratos http.DefaultServeMux Fallback server.go NewServer confused deputy
Title source: cnaDescription
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